Home / 330,298.60-455,818.04-187,088.28

Finding the Fourth Proportional to 330,298.60, 455,818.04 and 187,088.28

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Solution

The fourth proportional to 330,298.60, 455,818.04 and 187,088.28 is: 258,185.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,298.60 : 455,818.04 = 187,088.28 : x
  2. Step 2: Convert to fraction form
    330,298.60/455,818.04 = 187,088.28/x
  3. Step 3: Cross multiply
    330,298.60x = 455,818.04 × 187,088.28
  4. Step 4: Simplify right side
    330,298.60x = 85,278,213,096.57
  5. Step 5: Solve for x
    x = 85,278,213,096.57/330,298.60
  6. Step 6: Final answer
    x = 258,185.21

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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.