Home / 385,356.16-577,943.48-216,949.60

Finding the Fourth Proportional to 385,356.16, 577,943.48 and 216,949.60

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Solution

The fourth proportional to 385,356.16, 577,943.48 and 216,949.60 is: 325,373.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,356.16 : 577,943.48 = 216,949.60 : x
  2. Step 2: Convert to fraction form
    385,356.16/577,943.48 = 216,949.60/x
  3. Step 3: Cross multiply
    385,356.16x = 577,943.48 × 216,949.60
  4. Step 4: Simplify right side
    385,356.16x = 125,384,606,808.61
  5. Step 5: Solve for x
    x = 125,384,606,808.61/385,356.16
  6. Step 6: Final answer
    x = 325,373.30

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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.