Home / 297,292.60-446,007.02-128,841.20

Finding the Fourth Proportional to 297,292.60, 446,007.02 and 128,841.20

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Solution

The fourth proportional to 297,292.60, 446,007.02 and 128,841.20 is: 193,291.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,292.60 : 446,007.02 = 128,841.20 : x
  2. Step 2: Convert to fraction form
    297,292.60/446,007.02 = 128,841.20/x
  3. Step 3: Cross multiply
    297,292.60x = 446,007.02 × 128,841.20
  4. Step 4: Simplify right side
    297,292.60x = 57,464,079,665.22
  5. Step 5: Solve for x
    x = 57,464,079,665.22/297,292.60
  6. Step 6: Final answer
    x = 193,291.32

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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.