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Finding the Fourth Proportional to 507,490, 761,247.33 and 170,535.52

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Solution

The fourth proportional to 507,490, 761,247.33 and 170,535.52 is: 255,807.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,490 : 761,247.33 = 170,535.52 : x
  2. Step 2: Convert to fraction form
    507,490/761,247.33 = 170,535.52/x
  3. Step 3: Cross multiply
    507,490x = 761,247.33 × 170,535.52
  4. Step 4: Simplify right side
    507,490x = 129,819,709,270.16
  5. Step 5: Solve for x
    x = 129,819,709,270.16/507,490
  6. Step 6: Final answer
    x = 255,807.42

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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.