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Finding the Fourth Proportional to 507,390.89, 761,173.61 and 170,463.69

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Solution

The fourth proportional to 507,390.89, 761,173.61 and 170,463.69 is: 255,724.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,390.89 : 761,173.61 = 170,463.69 : x
  2. Step 2: Convert to fraction form
    507,390.89/761,173.61 = 170,463.69/x
  3. Step 3: Cross multiply
    507,390.89x = 761,173.61 × 170,463.69
  4. Step 4: Simplify right side
    507,390.89x = 129,752,461,438.90
  5. Step 5: Solve for x
    x = 129,752,461,438.90/507,390.89
  6. Step 6: Final answer
    x = 255,724.86

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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.