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Finding the Fourth Proportional to 507,318.94, 761,048.42 and 170,455.91

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Solution

The fourth proportional to 507,318.94, 761,048.42 and 170,455.91 is: 255,707.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,318.94 : 761,048.42 = 170,455.91 : x
  2. Step 2: Convert to fraction form
    507,318.94/761,048.42 = 170,455.91/x
  3. Step 3: Cross multiply
    507,318.94x = 761,048.42 × 170,455.91
  4. Step 4: Simplify right side
    507,318.94x = 129,725,196,327.64
  5. Step 5: Solve for x
    x = 129,725,196,327.64/507,318.94
  6. Step 6: Final answer
    x = 255,707.38

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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.