Home / 345,148.16-476,190.29-201,806.72

Finding the Fourth Proportional to 345,148.16, 476,190.29 and 201,806.72

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Solution

The fourth proportional to 345,148.16, 476,190.29 and 201,806.72 is: 278,426.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,148.16 : 476,190.29 = 201,806.72 : x
  2. Step 2: Convert to fraction form
    345,148.16/476,190.29 = 201,806.72/x
  3. Step 3: Cross multiply
    345,148.16x = 476,190.29 × 201,806.72
  4. Step 4: Simplify right side
    345,148.16x = 96,098,397,130.76
  5. Step 5: Solve for x
    x = 96,098,397,130.76/345,148.16
  6. Step 6: Final answer
    x = 278,426.51

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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.