Home / 284,484.60-426,936.87-134,724.60

Finding the Fourth Proportional to 284,484.60, 426,936.87 and 134,724.60

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Solution

The fourth proportional to 284,484.60, 426,936.87 and 134,724.60 is: 202,186.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,484.60 : 426,936.87 = 134,724.60 : x
  2. Step 2: Convert to fraction form
    284,484.60/426,936.87 = 134,724.60/x
  3. Step 3: Cross multiply
    284,484.60x = 426,936.87 × 134,724.60
  4. Step 4: Simplify right side
    284,484.60x = 57,518,899,036.00
  5. Step 5: Solve for x
    x = 57,518,899,036.00/284,484.60
  6. Step 6: Final answer
    x = 202,186.34

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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.