Home / 316,879.12-437,285.64-173,632.24

Finding the Fourth Proportional to 316,879.12, 437,285.64 and 173,632.24

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Solution

The fourth proportional to 316,879.12, 437,285.64 and 173,632.24 is: 239,608.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,879.12 : 437,285.64 = 173,632.24 : x
  2. Step 2: Convert to fraction form
    316,879.12/437,285.64 = 173,632.24/x
  3. Step 3: Cross multiply
    316,879.12x = 437,285.64 × 173,632.24
  4. Step 4: Simplify right side
    316,879.12x = 75,926,885,193.03
  5. Step 5: Solve for x
    x = 75,926,885,193.03/316,879.12
  6. Step 6: Final answer
    x = 239,608.36

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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.