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Finding the Fourth Proportional to 375,614.80, 564,005.40 and 218,150.80

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Solution

The fourth proportional to 375,614.80, 564,005.40 and 218,150.80 is: 327,564.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,614.80 : 564,005.40 = 218,150.80 : x
  2. Step 2: Convert to fraction form
    375,614.80/564,005.40 = 218,150.80/x
  3. Step 3: Cross multiply
    375,614.80x = 564,005.40 × 218,150.80
  4. Step 4: Simplify right side
    375,614.80x = 123,038,229,214.32
  5. Step 5: Solve for x
    x = 123,038,229,214.32/375,614.80
  6. Step 6: Final answer
    x = 327,564.91

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1.5x scale

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.