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Finding the Fourth Proportional to 581,015.81, 871,573.92 and 160,291.68

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Solution

The fourth proportional to 581,015.81, 871,573.92 and 160,291.68 is: 240,451.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,015.81 : 871,573.92 = 160,291.68 : x
  2. Step 2: Convert to fraction form
    581,015.81/871,573.92 = 160,291.68/x
  3. Step 3: Cross multiply
    581,015.81x = 871,573.92 × 160,291.68
  4. Step 4: Simplify right side
    581,015.81x = 139,706,047,079.53
  5. Step 5: Solve for x
    x = 139,706,047,079.53/581,015.81
  6. Step 6: Final answer
    x = 240,451.37

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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.