Home / 316,613.03-436,909.69-173,345.36

Finding the Fourth Proportional to 316,613.03, 436,909.69 and 173,345.36

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Solution

The fourth proportional to 316,613.03, 436,909.69 and 173,345.36 is: 239,207.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,613.03 : 436,909.69 = 173,345.36 : x
  2. Step 2: Convert to fraction form
    316,613.03/436,909.69 = 173,345.36/x
  3. Step 3: Cross multiply
    316,613.03x = 436,909.69 × 173,345.36
  4. Step 4: Simplify right side
    316,613.03x = 75,736,267,500.54
  5. Step 5: Solve for x
    x = 75,736,267,500.54/316,613.03
  6. Step 6: Final answer
    x = 239,207.68

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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.