Home / 438,831.20-658,246.80-249,218.30

Finding the Fourth Proportional to 438,831.20, 658,246.80 and 249,218.30

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Solution

The fourth proportional to 438,831.20, 658,246.80 and 249,218.30 is: 373,827.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,831.20 : 658,246.80 = 249,218.30 : x
  2. Step 2: Convert to fraction form
    438,831.20/658,246.80 = 249,218.30/x
  3. Step 3: Cross multiply
    438,831.20x = 658,246.80 × 249,218.30
  4. Step 4: Simplify right side
    438,831.20x = 164,047,148,476.44
  5. Step 5: Solve for x
    x = 164,047,148,476.44/438,831.20
  6. Step 6: Final answer
    x = 373,827.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.