Home / 284,931.86-427,545.41-144,690.48

Finding the Fourth Proportional to 284,931.86, 427,545.41 and 144,690.48

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Solution

The fourth proportional to 284,931.86, 427,545.41 and 144,690.48 is: 217,110.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,931.86 : 427,545.41 = 144,690.48 : x
  2. Step 2: Convert to fraction form
    284,931.86/427,545.41 = 144,690.48/x
  3. Step 3: Cross multiply
    284,931.86x = 427,545.41 × 144,690.48
  4. Step 4: Simplify right side
    284,931.86x = 61,861,749,871.24
  5. Step 5: Solve for x
    x = 61,861,749,871.24/284,931.86
  6. Step 6: Final answer
    x = 217,110.68

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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.