Home / 445,948.32-615,409.10-254,965.72

Finding the Fourth Proportional to 445,948.32, 615,409.10 and 254,965.72

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Solution

The fourth proportional to 445,948.32, 615,409.10 and 254,965.72 is: 351,852.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,948.32 : 615,409.10 = 254,965.72 : x
  2. Step 2: Convert to fraction form
    445,948.32/615,409.10 = 254,965.72/x
  3. Step 3: Cross multiply
    445,948.32x = 615,409.10 × 254,965.72
  4. Step 4: Simplify right side
    445,948.32x = 156,908,224,276.05
  5. Step 5: Solve for x
    x = 156,908,224,276.05/445,948.32
  6. Step 6: Final answer
    x = 351,852.93

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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.