Home / 499,200.08-688,885.98-272,847.20

Finding the Fourth Proportional to 499,200.08, 688,885.98 and 272,847.20

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Solution

The fourth proportional to 499,200.08, 688,885.98 and 272,847.20 is: 376,523.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,200.08 : 688,885.98 = 272,847.20 : x
  2. Step 2: Convert to fraction form
    499,200.08/688,885.98 = 272,847.20/x
  3. Step 3: Cross multiply
    499,200.08x = 688,885.98 × 272,847.20
  4. Step 4: Simplify right side
    499,200.08x = 187,960,610,762.26
  5. Step 5: Solve for x
    x = 187,960,610,762.26/499,200.08
  6. Step 6: Final answer
    x = 376,523.60

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1.5x scale

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.