Home / 476,800.16-658,021.12-272,915.06

Finding the Fourth Proportional to 476,800.16, 658,021.12 and 272,915.06

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Solution

The fourth proportional to 476,800.16, 658,021.12 and 272,915.06 is: 376,643.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,800.16 : 658,021.12 = 272,915.06 : x
  2. Step 2: Convert to fraction form
    476,800.16/658,021.12 = 272,915.06/x
  3. Step 3: Cross multiply
    476,800.16x = 658,021.12 × 272,915.06
  4. Step 4: Simplify right side
    476,800.16x = 179,583,869,473.67
  5. Step 5: Solve for x
    x = 179,583,869,473.67/476,800.16
  6. Step 6: Final answer
    x = 376,643.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.