Home / 447,748.40-671,444.40-148,145.60

Finding the Fourth Proportional to 447,748.40, 671,444.40 and 148,145.60

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Solution

The fourth proportional to 447,748.40, 671,444.40 and 148,145.60 is: 222,159.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,748.40 : 671,444.40 = 148,145.60 : x
  2. Step 2: Convert to fraction form
    447,748.40/671,444.40 = 148,145.60/x
  3. Step 3: Cross multiply
    447,748.40x = 671,444.40 × 148,145.60
  4. Step 4: Simplify right side
    447,748.40x = 99,471,533,504.64
  5. Step 5: Solve for x
    x = 99,471,533,504.64/447,748.40
  6. Step 6: Final answer
    x = 222,159.44

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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.