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Finding the Fourth Proportional to 399,064.70, 598,807.23 and 230,703.29

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Solution

The fourth proportional to 399,064.70, 598,807.23 and 230,703.29 is: 346,176.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,064.70 : 598,807.23 = 230,703.29 : x
  2. Step 2: Convert to fraction form
    399,064.70/598,807.23 = 230,703.29/x
  3. Step 3: Cross multiply
    399,064.70x = 598,807.23 × 230,703.29
  4. Step 4: Simplify right side
    399,064.70x = 138,146,798,153.42
  5. Step 5: Solve for x
    x = 138,146,798,153.42/399,064.70
  6. Step 6: Final answer
    x = 346,176.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.