Home / 212,037.60-318,056.40-177,304.80

Finding the Fourth Proportional to 212,037.60, 318,056.40 and 177,304.80

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Solution

The fourth proportional to 212,037.60, 318,056.40 and 177,304.80 is: 265,957.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,037.60 : 318,056.40 = 177,304.80 : x
  2. Step 2: Convert to fraction form
    212,037.60/318,056.40 = 177,304.80/x
  3. Step 3: Cross multiply
    212,037.60x = 318,056.40 × 177,304.80
  4. Step 4: Simplify right side
    212,037.60x = 56,392,926,390.72
  5. Step 5: Solve for x
    x = 56,392,926,390.72/212,037.60
  6. Step 6: Final answer
    x = 265,957.20

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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.