Home / 330,312.74-456,036.28-296,261.15

Finding the Fourth Proportional to 330,312.74, 456,036.28 and 296,261.15

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Solution

The fourth proportional to 330,312.74, 456,036.28 and 296,261.15 is: 409,023.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,312.74 : 456,036.28 = 296,261.15 : x
  2. Step 2: Convert to fraction form
    330,312.74/456,036.28 = 296,261.15/x
  3. Step 3: Cross multiply
    330,312.74x = 456,036.28 × 296,261.15
  4. Step 4: Simplify right side
    330,312.74x = 135,105,829,733.69
  5. Step 5: Solve for x
    x = 135,105,829,733.69/330,312.74
  6. Step 6: Final answer
    x = 409,023.98

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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.