Home / 292,236.20-438,527.10-213,151.40

Finding the Fourth Proportional to 292,236.20, 438,527.10 and 213,151.40

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Solution

The fourth proportional to 292,236.20, 438,527.10 and 213,151.40 is: 319,853.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,236.20 : 438,527.10 = 213,151.40 : x
  2. Step 2: Convert to fraction form
    292,236.20/438,527.10 = 213,151.40/x
  3. Step 3: Cross multiply
    292,236.20x = 438,527.10 × 213,151.40
  4. Step 4: Simplify right side
    292,236.20x = 93,472,665,302.94
  5. Step 5: Solve for x
    x = 93,472,665,302.94/292,236.20
  6. Step 6: Final answer
    x = 319,853.14

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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.