Home / 385,101.20-577,344.60-163,302.80

Finding the Fourth Proportional to 385,101.20, 577,344.60 and 163,302.80

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Solution

The fourth proportional to 385,101.20, 577,344.60 and 163,302.80 is: 244,823.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,101.20 : 577,344.60 = 163,302.80 : x
  2. Step 2: Convert to fraction form
    385,101.20/577,344.60 = 163,302.80/x
  3. Step 3: Cross multiply
    385,101.20x = 577,344.60 × 163,302.80
  4. Step 4: Simplify right side
    385,101.20x = 94,281,989,744.88
  5. Step 5: Solve for x
    x = 94,281,989,744.88/385,101.20
  6. Step 6: Final answer
    x = 244,823.93

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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.