Home / 499,150.08-688,827.11-272,795.58

Finding the Fourth Proportional to 499,150.08, 688,827.11 and 272,795.58

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Solution

The fourth proportional to 499,150.08, 688,827.11 and 272,795.58 is: 376,457.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,150.08 : 688,827.11 = 272,795.58 : x
  2. Step 2: Convert to fraction form
    499,150.08/688,827.11 = 272,795.58/x
  3. Step 3: Cross multiply
    499,150.08x = 688,827.11 × 272,795.58
  4. Step 4: Simplify right side
    499,150.08x = 187,908,989,628.20
  5. Step 5: Solve for x
    x = 187,908,989,628.20/499,150.08
  6. Step 6: Final answer
    x = 376,457.90

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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.