Home / 447,618.80-671,428.20-167,121.20

Finding the Fourth Proportional to 447,618.80, 671,428.20 and 167,121.20

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Solution

The fourth proportional to 447,618.80, 671,428.20 and 167,121.20 is: 250,681.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,618.80 : 671,428.20 = 167,121.20 : x
  2. Step 2: Convert to fraction form
    447,618.80/671,428.20 = 167,121.20/x
  3. Step 3: Cross multiply
    447,618.80x = 671,428.20 × 167,121.20
  4. Step 4: Simplify right side
    447,618.80x = 112,209,886,497.84
  5. Step 5: Solve for x
    x = 112,209,886,497.84/447,618.80
  6. Step 6: Final answer
    x = 250,681.80

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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.