Home / 284,325.18-426,338.73-142,017.90

Finding the Fourth Proportional to 284,325.18, 426,338.73 and 142,017.90

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Solution

The fourth proportional to 284,325.18, 426,338.73 and 142,017.90 is: 212,952.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,325.18 : 426,338.73 = 142,017.90 : x
  2. Step 2: Convert to fraction form
    284,325.18/426,338.73 = 142,017.90/x
  3. Step 3: Cross multiply
    284,325.18x = 426,338.73 × 142,017.90
  4. Step 4: Simplify right side
    284,325.18x = 60,547,731,123.27
  5. Step 5: Solve for x
    x = 60,547,731,123.27/284,325.18
  6. Step 6: Final answer
    x = 212,952.41

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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.