Home / 384,944.20-577,109.10-163,145.80

Finding the Fourth Proportional to 384,944.20, 577,109.10 and 163,145.80

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Solution

The fourth proportional to 384,944.20, 577,109.10 and 163,145.80 is: 244,588.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,944.20 : 577,109.10 = 163,145.80 : x
  2. Step 2: Convert to fraction form
    384,944.20/577,109.10 = 163,145.80/x
  3. Step 3: Cross multiply
    384,944.20x = 577,109.10 × 163,145.80
  4. Step 4: Simplify right side
    384,944.20x = 94,152,925,806.78
  5. Step 5: Solve for x
    x = 94,152,925,806.78/384,944.20
  6. Step 6: Final answer
    x = 244,588.50

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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.