Home / 282,492.64-423,917.52-157,915.36

Finding the Fourth Proportional to 282,492.64, 423,917.52 and 157,915.36

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Solution

The fourth proportional to 282,492.64, 423,917.52 and 157,915.36 is: 236,972.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,492.64 : 423,917.52 = 157,915.36 : x
  2. Step 2: Convert to fraction form
    282,492.64/423,917.52 = 157,915.36/x
  3. Step 3: Cross multiply
    282,492.64x = 423,917.52 × 157,915.36
  4. Step 4: Simplify right side
    282,492.64x = 66,943,087,781.11
  5. Step 5: Solve for x
    x = 66,943,087,781.11/282,492.64
  6. Step 6: Final answer
    x = 236,972.86

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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.