Home / 374,947.20-517,427.04-205,181.28

Finding the Fourth Proportional to 374,947.20, 517,427.04 and 205,181.28

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Solution

The fourth proportional to 374,947.20, 517,427.04 and 205,181.28 is: 283,150.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,947.20 : 517,427.04 = 205,181.28 : x
  2. Step 2: Convert to fraction form
    374,947.20/517,427.04 = 205,181.28/x
  3. Step 3: Cross multiply
    374,947.20x = 517,427.04 × 205,181.28
  4. Step 4: Simplify right side
    374,947.20x = 106,166,342,373.81
  5. Step 5: Solve for x
    x = 106,166,342,373.81/374,947.20
  6. Step 6: Final answer
    x = 283,150.11

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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.