Home / 535,915.28-803,261.40-215,862.29

Finding the Fourth Proportional to 535,915.28, 803,261.40 and 215,862.29

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Solution

The fourth proportional to 535,915.28, 803,261.40 and 215,862.29 is: 323,547.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,915.28 : 803,261.40 = 215,862.29 : x
  2. Step 2: Convert to fraction form
    535,915.28/803,261.40 = 215,862.29/x
  3. Step 3: Cross multiply
    535,915.28x = 803,261.40 × 215,862.29
  4. Step 4: Simplify right side
    535,915.28x = 173,393,845,272.61
  5. Step 5: Solve for x
    x = 173,393,845,272.61/535,915.28
  6. Step 6: Final answer
    x = 323,547.12

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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.