Home / 502,345.18-693,237-272,902.65

Finding the Fourth Proportional to 502,345.18, 693,237 and 272,902.65

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Solution

The fourth proportional to 502,345.18, 693,237 and 272,902.65 is: 376,606.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,345.18 : 693,237 = 272,902.65 : x
  2. Step 2: Convert to fraction form
    502,345.18/693,237 = 272,902.65/x
  3. Step 3: Cross multiply
    502,345.18x = 693,237 × 272,902.65
  4. Step 4: Simplify right side
    502,345.18x = 189,186,214,378.05
  5. Step 5: Solve for x
    x = 189,186,214,378.05/502,345.18
  6. Step 6: Final answer
    x = 376,606.01

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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.