Home / 384,844.40-577,266.60-118,581.20

Finding the Fourth Proportional to 384,844.40, 577,266.60 and 118,581.20

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Solution

The fourth proportional to 384,844.40, 577,266.60 and 118,581.20 is: 177,871.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,844.40 : 577,266.60 = 118,581.20 : x
  2. Step 2: Convert to fraction form
    384,844.40/577,266.60 = 118,581.20/x
  3. Step 3: Cross multiply
    384,844.40x = 577,266.60 × 118,581.20
  4. Step 4: Simplify right side
    384,844.40x = 68,452,966,147.92
  5. Step 5: Solve for x
    x = 68,452,966,147.92/384,844.40
  6. Step 6: Final answer
    x = 177,871.80

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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.