Home / 499,225.64-688,931.74-272,871.14

Finding the Fourth Proportional to 499,225.64, 688,931.74 and 272,871.14

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Solution

The fourth proportional to 499,225.64, 688,931.74 and 272,871.14 is: 376,562.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,225.64 : 688,931.74 = 272,871.14 : x
  2. Step 2: Convert to fraction form
    499,225.64/688,931.74 = 272,871.14/x
  3. Step 3: Cross multiply
    499,225.64x = 688,931.74 × 272,871.14
  4. Step 4: Simplify right side
    499,225.64x = 187,989,589,275.98
  5. Step 5: Solve for x
    x = 187,989,589,275.98/499,225.64
  6. Step 6: Final answer
    x = 376,562.37

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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.