Home / 252,178.81-378,194.40-207,695.23

Finding the Fourth Proportional to 252,178.81, 378,194.40 and 207,695.23

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Solution

The fourth proportional to 252,178.81, 378,194.40 and 207,695.23 is: 311,482.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,178.81 : 378,194.40 = 207,695.23 : x
  2. Step 2: Convert to fraction form
    252,178.81/378,194.40 = 207,695.23/x
  3. Step 3: Cross multiply
    252,178.81x = 378,194.40 × 207,695.23
  4. Step 4: Simplify right side
    252,178.81x = 78,549,172,892.71
  5. Step 5: Solve for x
    x = 78,549,172,892.71/252,178.81
  6. Step 6: Final answer
    x = 311,482.05

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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.