Home / 226,357.28-312,354.75-130,870.13

Finding the Fourth Proportional to 226,357.28, 312,354.75 and 130,870.13

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Solution

The fourth proportional to 226,357.28, 312,354.75 and 130,870.13 is: 180,590.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,357.28 : 312,354.75 = 130,870.13 : x
  2. Step 2: Convert to fraction form
    226,357.28/312,354.75 = 130,870.13/x
  3. Step 3: Cross multiply
    226,357.28x = 312,354.75 × 130,870.13
  4. Step 4: Simplify right side
    226,357.28x = 40,877,906,738.62
  5. Step 5: Solve for x
    x = 40,877,906,738.62/226,357.28
  6. Step 6: Final answer
    x = 180,590.20

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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.