Home / 361,434.07-498,791.88-218,166.13

Finding the Fourth Proportional to 361,434.07, 498,791.88 and 218,166.13

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Solution

The fourth proportional to 361,434.07, 498,791.88 and 218,166.13 is: 301,077.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,434.07 : 498,791.88 = 218,166.13 : x
  2. Step 2: Convert to fraction form
    361,434.07/498,791.88 = 218,166.13/x
  3. Step 3: Cross multiply
    361,434.07x = 498,791.88 × 218,166.13
  4. Step 4: Simplify right side
    361,434.07x = 108,819,492,888.05
  5. Step 5: Solve for x
    x = 108,819,492,888.05/361,434.07
  6. Step 6: Final answer
    x = 301,077.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.