Home / 447,895.78-671,938.44-148,359.40

Finding the Fourth Proportional to 447,895.78, 671,938.44 and 148,359.40

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Solution

The fourth proportional to 447,895.78, 671,938.44 and 148,359.40 is: 222,570.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,895.78 : 671,938.44 = 148,359.40 : x
  2. Step 2: Convert to fraction form
    447,895.78/671,938.44 = 148,359.40/x
  3. Step 3: Cross multiply
    447,895.78x = 671,938.44 × 148,359.40
  4. Step 4: Simplify right side
    447,895.78x = 99,688,383,795.34
  5. Step 5: Solve for x
    x = 99,688,383,795.34/447,895.78
  6. Step 6: Final answer
    x = 222,570.49

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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.