Home / 446,938.40-670,229.40-147,335.60

Finding the Fourth Proportional to 446,938.40, 670,229.40 and 147,335.60

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Solution

The fourth proportional to 446,938.40, 670,229.40 and 147,335.60 is: 220,944.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,938.40 : 670,229.40 = 147,335.60 : x
  2. Step 2: Convert to fraction form
    446,938.40/670,229.40 = 147,335.60/x
  3. Step 3: Cross multiply
    446,938.40x = 670,229.40 × 147,335.60
  4. Step 4: Simplify right side
    446,938.40x = 98,748,650,786.64
  5. Step 5: Solve for x
    x = 98,748,650,786.64/446,938.40
  6. Step 6: Final answer
    x = 220,944.66

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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.