Home / 384,927.45-577,354.02-118,616.46

Finding the Fourth Proportional to 384,927.45, 577,354.02 and 118,616.46

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Solution

The fourth proportional to 384,927.45, 577,354.02 and 118,616.46 is: 177,913.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,927.45 : 577,354.02 = 118,616.46 : x
  2. Step 2: Convert to fraction form
    384,927.45/577,354.02 = 118,616.46/x
  3. Step 3: Cross multiply
    384,927.45x = 577,354.02 × 118,616.46
  4. Step 4: Simplify right side
    384,927.45x = 68,483,690,019.17
  5. Step 5: Solve for x
    x = 68,483,690,019.17/384,927.45
  6. Step 6: Final answer
    x = 177,913.24

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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.