Home / 445,946.43-615,402.86-241,992.21

Finding the Fourth Proportional to 445,946.43, 615,402.86 and 241,992.21

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Solution

The fourth proportional to 445,946.43, 615,402.86 and 241,992.21 is: 333,947.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,946.43 : 615,402.86 = 241,992.21 : x
  2. Step 2: Convert to fraction form
    445,946.43/615,402.86 = 241,992.21/x
  3. Step 3: Cross multiply
    445,946.43x = 615,402.86 × 241,992.21
  4. Step 4: Simplify right side
    445,946.43x = 148,922,696,921.76
  5. Step 5: Solve for x
    x = 148,922,696,921.76/445,946.43
  6. Step 6: Final answer
    x = 333,947.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.