Home / 851,151.28-1,276,913.82-252,159.34

Finding the Fourth Proportional to 851,151.28, 1,276,913.82 and 252,159.34

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Solution

The fourth proportional to 851,151.28, 1,276,913.82 and 252,159.34 is: 378,294.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,151.28 : 1,276,913.82 = 252,159.34 : x
  2. Step 2: Convert to fraction form
    851,151.28/1,276,913.82 = 252,159.34/x
  3. Step 3: Cross multiply
    851,151.28x = 1,276,913.82 × 252,159.34
  4. Step 4: Simplify right side
    851,151.28x = 321,985,746,088.08
  5. Step 5: Solve for x
    x = 321,985,746,088.08/851,151.28
  6. Step 6: Final answer
    x = 378,294.38

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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.