Home / 398,595.42-597,895.29-118,115.10

Finding the Fourth Proportional to 398,595.42, 597,895.29 and 118,115.10

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Solution

The fourth proportional to 398,595.42, 597,895.29 and 118,115.10 is: 177,173.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,595.42 : 597,895.29 = 118,115.10 : x
  2. Step 2: Convert to fraction form
    398,595.42/597,895.29 = 118,115.10/x
  3. Step 3: Cross multiply
    398,595.42x = 597,895.29 × 118,115.10
  4. Step 4: Simplify right side
    398,595.42x = 70,620,461,967.88
  5. Step 5: Solve for x
    x = 70,620,461,967.88/398,595.42
  6. Step 6: Final answer
    x = 177,173.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.