Home / 229,984.08-317,375.52-128,007.91

Finding the Fourth Proportional to 229,984.08, 317,375.52 and 128,007.91

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Solution

The fourth proportional to 229,984.08, 317,375.52 and 128,007.91 is: 176,649.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,984.08 : 317,375.52 = 128,007.91 : x
  2. Step 2: Convert to fraction form
    229,984.08/317,375.52 = 128,007.91/x
  3. Step 3: Cross multiply
    229,984.08x = 317,375.52 × 128,007.91
  4. Step 4: Simplify right side
    229,984.08x = 40,626,577,000.36
  5. Step 5: Solve for x
    x = 40,626,577,000.36/229,984.08
  6. Step 6: Final answer
    x = 176,649.52

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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.