Home / 384,928.20-577,355.16-118,617.20

Finding the Fourth Proportional to 384,928.20, 577,355.16 and 118,617.20

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Solution

The fourth proportional to 384,928.20, 577,355.16 and 118,617.20 is: 177,914.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,928.20 : 577,355.16 = 118,617.20 : x
  2. Step 2: Convert to fraction form
    384,928.20/577,355.16 = 118,617.20/x
  3. Step 3: Cross multiply
    384,928.20x = 577,355.16 × 118,617.20
  4. Step 4: Simplify right side
    384,928.20x = 68,484,252,484.75
  5. Step 5: Solve for x
    x = 68,484,252,484.75/384,928.20
  6. Step 6: Final answer
    x = 177,914.36

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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.