Home / 310,629.60-465,944.40-89,013.60

Finding the Fourth Proportional to 310,629.60, 465,944.40 and 89,013.60

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Solution

The fourth proportional to 310,629.60, 465,944.40 and 89,013.60 is: 133,520.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,629.60 : 465,944.40 = 89,013.60 : x
  2. Step 2: Convert to fraction form
    310,629.60/465,944.40 = 89,013.60/x
  3. Step 3: Cross multiply
    310,629.60x = 465,944.40 × 89,013.60
  4. Step 4: Simplify right side
    310,629.60x = 41,475,388,443.84
  5. Step 5: Solve for x
    x = 41,475,388,443.84/310,629.60
  6. Step 6: Final answer
    x = 133,520.40

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1.5x scale

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.