Home / 499,288.50-689,018.13-272,935.62

Finding the Fourth Proportional to 499,288.50, 689,018.13 and 272,935.62

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Solution

The fourth proportional to 499,288.50, 689,018.13 and 272,935.62 is: 376,651.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,288.50 : 689,018.13 = 272,935.62 : x
  2. Step 2: Convert to fraction form
    499,288.50/689,018.13 = 272,935.62/x
  3. Step 3: Cross multiply
    499,288.50x = 689,018.13 × 272,935.62
  4. Step 4: Simplify right side
    499,288.50x = 188,057,590,502.79
  5. Step 5: Solve for x
    x = 188,057,590,502.79/499,288.50
  6. Step 6: Final answer
    x = 376,651.16

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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.