Home / 284,338.02-426,631.54-134,685.12

Finding the Fourth Proportional to 284,338.02, 426,631.54 and 134,685.12

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Solution

The fourth proportional to 284,338.02, 426,631.54 and 134,685.12 is: 202,086.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,338.02 : 426,631.54 = 134,685.12 : x
  2. Step 2: Convert to fraction form
    284,338.02/426,631.54 = 134,685.12/x
  3. Step 3: Cross multiply
    284,338.02x = 426,631.54 × 134,685.12
  4. Step 4: Simplify right side
    284,338.02x = 57,460,920,160.68
  5. Step 5: Solve for x
    x = 57,460,920,160.68/284,338.02
  6. Step 6: Final answer
    x = 202,086.66

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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.