Home / 459,502.35-689,253.93-143,983.86

Finding the Fourth Proportional to 459,502.35, 689,253.93 and 143,983.86

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Solution

The fourth proportional to 459,502.35, 689,253.93 and 143,983.86 is: 215,975.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,502.35 : 689,253.93 = 143,983.86 : x
  2. Step 2: Convert to fraction form
    459,502.35/689,253.93 = 143,983.86/x
  3. Step 3: Cross multiply
    459,502.35x = 689,253.93 × 143,983.86
  4. Step 4: Simplify right side
    459,502.35x = 99,241,441,361.57
  5. Step 5: Solve for x
    x = 99,241,441,361.57/459,502.35
  6. Step 6: Final answer
    x = 215,975.92

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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.