Home / 302,400.85-453,680.08-112,862.78

Finding the Fourth Proportional to 302,400.85, 453,680.08 and 112,862.78

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Solution

The fourth proportional to 302,400.85, 453,680.08 and 112,862.78 is: 169,323.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,400.85 : 453,680.08 = 112,862.78 : x
  2. Step 2: Convert to fraction form
    302,400.85/453,680.08 = 112,862.78/x
  3. Step 3: Cross multiply
    302,400.85x = 453,680.08 × 112,862.78
  4. Step 4: Simplify right side
    302,400.85x = 51,203,596,482.02
  5. Step 5: Solve for x
    x = 51,203,596,482.02/302,400.85
  6. Step 6: Final answer
    x = 169,323.59

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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.