Home / 385,359.11-577,641.36-160,850.20

Finding the Fourth Proportional to 385,359.11, 577,641.36 and 160,850.20

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Solution

The fourth proportional to 385,359.11, 577,641.36 and 160,850.20 is: 241,109.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,359.11 : 577,641.36 = 160,850.20 : x
  2. Step 2: Convert to fraction form
    385,359.11/577,641.36 = 160,850.20/x
  3. Step 3: Cross multiply
    385,359.11x = 577,641.36 × 160,850.20
  4. Step 4: Simplify right side
    385,359.11x = 92,913,728,284.27
  5. Step 5: Solve for x
    x = 92,913,728,284.27/385,359.11
  6. Step 6: Final answer
    x = 241,109.46

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1.5x scale

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.