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Finding the Fourth Proportional to 507,477.05, 761,285.54 and 170,543.82

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Solution

The fourth proportional to 507,477.05, 761,285.54 and 170,543.82 is: 255,839.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,477.05 : 761,285.54 = 170,543.82 : x
  2. Step 2: Convert to fraction form
    507,477.05/761,285.54 = 170,543.82/x
  3. Step 3: Cross multiply
    507,477.05x = 761,285.54 × 170,543.82
  4. Step 4: Simplify right side
    507,477.05x = 129,832,543,249.64
  5. Step 5: Solve for x
    x = 129,832,543,249.64/507,477.05
  6. Step 6: Final answer
    x = 255,839.24

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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.