Home / 293,829.12-405,482.76-159,693.12

Finding the Fourth Proportional to 293,829.12, 405,482.76 and 159,693.12

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Solution

The fourth proportional to 293,829.12, 405,482.76 and 159,693.12 is: 220,375.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,829.12 : 405,482.76 = 159,693.12 : x
  2. Step 2: Convert to fraction form
    293,829.12/405,482.76 = 159,693.12/x
  3. Step 3: Cross multiply
    293,829.12x = 405,482.76 × 159,693.12
  4. Step 4: Simplify right side
    293,829.12x = 64,752,807,050.61
  5. Step 5: Solve for x
    x = 64,752,807,050.61/293,829.12
  6. Step 6: Final answer
    x = 220,375.73

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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.