Home / 438,948.18-658,292.40-186,225.48

Finding the Fourth Proportional to 438,948.18, 658,292.40 and 186,225.48

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Solution

The fourth proportional to 438,948.18, 658,292.40 and 186,225.48 is: 279,283.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,948.18 : 658,292.40 = 186,225.48 : x
  2. Step 2: Convert to fraction form
    438,948.18/658,292.40 = 186,225.48/x
  3. Step 3: Cross multiply
    438,948.18x = 658,292.40 × 186,225.48
  4. Step 4: Simplify right side
    438,948.18x = 122,590,818,170.35
  5. Step 5: Solve for x
    x = 122,590,818,170.35/438,948.18
  6. Step 6: Final answer
    x = 279,283.12

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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.