Home / 384,931.29-577,359.78-118,620.30

Finding the Fourth Proportional to 384,931.29, 577,359.78 and 118,620.30

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Solution

The fourth proportional to 384,931.29, 577,359.78 and 118,620.30 is: 177,919.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,931.29 : 577,359.78 = 118,620.30 : x
  2. Step 2: Convert to fraction form
    384,931.29/577,359.78 = 118,620.30/x
  3. Step 3: Cross multiply
    384,931.29x = 577,359.78 × 118,620.30
  4. Step 4: Simplify right side
    384,931.29x = 68,486,590,311.53
  5. Step 5: Solve for x
    x = 68,486,590,311.53/384,931.29
  6. Step 6: Final answer
    x = 177,919.00

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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.