Home / 447,880.28-671,915.19-148,343.90

Finding the Fourth Proportional to 447,880.28, 671,915.19 and 148,343.90

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Solution

The fourth proportional to 447,880.28, 671,915.19 and 148,343.90 is: 222,547.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,880.28 : 671,915.19 = 148,343.90 : x
  2. Step 2: Convert to fraction form
    447,880.28/671,915.19 = 148,343.90/x
  3. Step 3: Cross multiply
    447,880.28x = 671,915.19 × 148,343.90
  4. Step 4: Simplify right side
    447,880.28x = 99,674,519,753.84
  5. Step 5: Solve for x
    x = 99,674,519,753.84/447,880.28
  6. Step 6: Final answer
    x = 222,547.24

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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.