Home / 385,106.20-577,352.10-163,307.80

Finding the Fourth Proportional to 385,106.20, 577,352.10 and 163,307.80

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Solution

The fourth proportional to 385,106.20, 577,352.10 and 163,307.80 is: 244,831.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,106.20 : 577,352.10 = 163,307.80 : x
  2. Step 2: Convert to fraction form
    385,106.20/577,352.10 = 163,307.80/x
  3. Step 3: Cross multiply
    385,106.20x = 577,352.10 × 163,307.80
  4. Step 4: Simplify right side
    385,106.20x = 94,286,101,276.38
  5. Step 5: Solve for x
    x = 94,286,101,276.38/385,106.20
  6. Step 6: Final answer
    x = 244,831.43

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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.