Home / 314,630.28-434,197.02-178,642.62

Finding the Fourth Proportional to 314,630.28, 434,197.02 and 178,642.62

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Solution

The fourth proportional to 314,630.28, 434,197.02 and 178,642.62 is: 246,530.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,630.28 : 434,197.02 = 178,642.62 : x
  2. Step 2: Convert to fraction form
    314,630.28/434,197.02 = 178,642.62/x
  3. Step 3: Cross multiply
    314,630.28x = 434,197.02 × 178,642.62
  4. Step 4: Simplify right side
    314,630.28x = 77,566,093,248.99
  5. Step 5: Solve for x
    x = 77,566,093,248.99/314,630.28
  6. Step 6: Final answer
    x = 246,530.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.