Home / 385,168.02-577,752.26-145,216.76

Finding the Fourth Proportional to 385,168.02, 577,752.26 and 145,216.76

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Solution

The fourth proportional to 385,168.02, 577,752.26 and 145,216.76 is: 217,825.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,168.02 : 577,752.26 = 145,216.76 : x
  2. Step 2: Convert to fraction form
    385,168.02/577,752.26 = 145,216.76/x
  3. Step 3: Cross multiply
    385,168.02x = 577,752.26 × 145,216.76
  4. Step 4: Simplify right side
    385,168.02x = 83,899,308,391.12
  5. Step 5: Solve for x
    x = 83,899,308,391.12/385,168.02
  6. Step 6: Final answer
    x = 217,825.22

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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.