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Finding the Fourth Proportional to 335,596.04, 502,803.54 and 315,617.80

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Solution

The fourth proportional to 335,596.04, 502,803.54 and 315,617.80 is: 472,871.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,596.04 : 502,803.54 = 315,617.80 : x
  2. Step 2: Convert to fraction form
    335,596.04/502,803.54 = 315,617.80/x
  3. Step 3: Cross multiply
    335,596.04x = 502,803.54 × 315,617.80
  4. Step 4: Simplify right side
    335,596.04x = 158,693,747,127.01
  5. Step 5: Solve for x
    x = 158,693,747,127.01/335,596.04
  6. Step 6: Final answer
    x = 472,871.33

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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.