Home / 229,222.08-316,321.32-127,241.52

Finding the Fourth Proportional to 229,222.08, 316,321.32 and 127,241.52

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Solution

The fourth proportional to 229,222.08, 316,321.32 and 127,241.52 is: 175,590.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,222.08 : 316,321.32 = 127,241.52 : x
  2. Step 2: Convert to fraction form
    229,222.08/316,321.32 = 127,241.52/x
  3. Step 3: Cross multiply
    229,222.08x = 316,321.32 × 127,241.52
  4. Step 4: Simplify right side
    229,222.08x = 40,249,205,565.21
  5. Step 5: Solve for x
    x = 40,249,205,565.21/229,222.08
  6. Step 6: Final answer
    x = 175,590.44

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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.