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Finding the Fourth Proportional to 270,465.60, 404,920.80 and 239,361.60

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Solution

The fourth proportional to 270,465.60, 404,920.80 and 239,361.60 is: 358,354.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,465.60 : 404,920.80 = 239,361.60 : x
  2. Step 2: Convert to fraction form
    270,465.60/404,920.80 = 239,361.60/x
  3. Step 3: Cross multiply
    270,465.60x = 404,920.80 × 239,361.60
  4. Step 4: Simplify right side
    270,465.60x = 96,922,490,561.28
  5. Step 5: Solve for x
    x = 96,922,490,561.28/270,465.60
  6. Step 6: Final answer
    x = 358,354.23

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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.