Home / 305,824.60-458,809.80-147,923.20

Finding the Fourth Proportional to 305,824.60, 458,809.80 and 147,923.20

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Solution

The fourth proportional to 305,824.60, 458,809.80 and 147,923.20 is: 221,920.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,824.60 : 458,809.80 = 147,923.20 : x
  2. Step 2: Convert to fraction form
    305,824.60/458,809.80 = 147,923.20/x
  3. Step 3: Cross multiply
    305,824.60x = 458,809.80 × 147,923.20
  4. Step 4: Simplify right side
    305,824.60x = 67,868,613,807.36
  5. Step 5: Solve for x
    x = 67,868,613,807.36/305,824.60
  6. Step 6: Final answer
    x = 221,920.06

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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.