Home / 284,823.74-427,445.88-135,064.53

Finding the Fourth Proportional to 284,823.74, 427,445.88 and 135,064.53

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Solution

The fourth proportional to 284,823.74, 427,445.88 and 135,064.53 is: 202,696.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,823.74 : 427,445.88 = 135,064.53 : x
  2. Step 2: Convert to fraction form
    284,823.74/427,445.88 = 135,064.53/x
  3. Step 3: Cross multiply
    284,823.74x = 427,445.88 × 135,064.53
  4. Step 4: Simplify right side
    284,823.74x = 57,732,776,882.64
  5. Step 5: Solve for x
    x = 57,732,776,882.64/284,823.74
  6. Step 6: Final answer
    x = 202,696.51

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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.