Home / 279,065.04-386,123.92-243,329.52

Finding the Fourth Proportional to 279,065.04, 386,123.92 and 243,329.52

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Solution

The fourth proportional to 279,065.04, 386,123.92 and 243,329.52 is: 336,679.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,065.04 : 386,123.92 = 243,329.52 : x
  2. Step 2: Convert to fraction form
    279,065.04/386,123.92 = 243,329.52/x
  3. Step 3: Cross multiply
    279,065.04x = 386,123.92 × 243,329.52
  4. Step 4: Simplify right side
    279,065.04x = 93,955,348,114.12
  5. Step 5: Solve for x
    x = 93,955,348,114.12/279,065.04
  6. Step 6: Final answer
    x = 336,679.03

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1.5x scale

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.