Home / 301,246.40-451,872.80-90,886.16

Finding the Fourth Proportional to 301,246.40, 451,872.80 and 90,886.16

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Solution

The fourth proportional to 301,246.40, 451,872.80 and 90,886.16 is: 136,330.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,246.40 : 451,872.80 = 90,886.16 : x
  2. Step 2: Convert to fraction form
    301,246.40/451,872.80 = 90,886.16/x
  3. Step 3: Cross multiply
    301,246.40x = 451,872.80 × 90,886.16
  4. Step 4: Simplify right side
    301,246.40x = 41,068,983,600.45
  5. Step 5: Solve for x
    x = 41,068,983,600.45/301,246.40
  6. Step 6: Final answer
    x = 136,330.21

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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.