Home / 438,922.29-605,762.10-247,948.05

Finding the Fourth Proportional to 438,922.29, 605,762.10 and 247,948.05

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Solution

The fourth proportional to 438,922.29, 605,762.10 and 247,948.05 is: 342,196.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,922.29 : 605,762.10 = 247,948.05 : x
  2. Step 2: Convert to fraction form
    438,922.29/605,762.10 = 247,948.05/x
  3. Step 3: Cross multiply
    438,922.29x = 605,762.10 × 247,948.05
  4. Step 4: Simplify right side
    438,922.29x = 150,197,531,458.91
  5. Step 5: Solve for x
    x = 150,197,531,458.91/438,922.29
  6. Step 6: Final answer
    x = 342,196.18

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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.