Home / 296,853.60-445,280.40-218,121.60

Finding the Fourth Proportional to 296,853.60, 445,280.40 and 218,121.60

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Solution

The fourth proportional to 296,853.60, 445,280.40 and 218,121.60 is: 327,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,853.60 : 445,280.40 = 218,121.60 : x
  2. Step 2: Convert to fraction form
    296,853.60/445,280.40 = 218,121.60/x
  3. Step 3: Cross multiply
    296,853.60x = 445,280.40 × 218,121.60
  4. Step 4: Simplify right side
    296,853.60x = 97,125,273,296.64
  5. Step 5: Solve for x
    x = 97,125,273,296.64/296,853.60
  6. Step 6: Final answer
    x = 327,182.40

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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.