Home / 438,172.17-604,705.80-247,181.46

Finding the Fourth Proportional to 438,172.17, 604,705.80 and 247,181.46

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Solution

The fourth proportional to 438,172.17, 604,705.80 and 247,181.46 is: 341,126.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,172.17 : 604,705.80 = 247,181.46 : x
  2. Step 2: Convert to fraction form
    438,172.17/604,705.80 = 247,181.46/x
  3. Step 3: Cross multiply
    438,172.17x = 604,705.80 × 247,181.46
  4. Step 4: Simplify right side
    438,172.17x = 149,472,062,514.47
  5. Step 5: Solve for x
    x = 149,472,062,514.47/438,172.17
  6. Step 6: Final answer
    x = 341,126.33

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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.