Home / 384,932.79-577,362.03-118,621.80

Finding the Fourth Proportional to 384,932.79, 577,362.03 and 118,621.80

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Solution

The fourth proportional to 384,932.79, 577,362.03 and 118,621.80 is: 177,921.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,932.79 : 577,362.03 = 118,621.80 : x
  2. Step 2: Convert to fraction form
    384,932.79/577,362.03 = 118,621.80/x
  3. Step 3: Cross multiply
    384,932.79x = 577,362.03 × 118,621.80
  4. Step 4: Simplify right side
    384,932.79x = 68,487,723,250.25
  5. Step 5: Solve for x
    x = 68,487,723,250.25/384,932.79
  6. Step 6: Final answer
    x = 177,921.25

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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.