Home / 384,934.20-577,094.10-163,135.80

Finding the Fourth Proportional to 384,934.20, 577,094.10 and 163,135.80

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Solution

The fourth proportional to 384,934.20, 577,094.10 and 163,135.80 is: 244,573.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,934.20 : 577,094.10 = 163,135.80 : x
  2. Step 2: Convert to fraction form
    384,934.20/577,094.10 = 163,135.80/x
  3. Step 3: Cross multiply
    384,934.20x = 577,094.10 × 163,135.80
  4. Step 4: Simplify right side
    384,934.20x = 94,144,707,678.78
  5. Step 5: Solve for x
    x = 94,144,707,678.78/384,934.20
  6. Step 6: Final answer
    x = 244,573.51

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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.