Home / 243,011.20-364,516.80-239,074.60

Finding the Fourth Proportional to 243,011.20, 364,516.80 and 239,074.60

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Solution

The fourth proportional to 243,011.20, 364,516.80 and 239,074.60 is: 358,611.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,011.20 : 364,516.80 = 239,074.60 : x
  2. Step 2: Convert to fraction form
    243,011.20/364,516.80 = 239,074.60/x
  3. Step 3: Cross multiply
    243,011.20x = 364,516.80 × 239,074.60
  4. Step 4: Simplify right side
    243,011.20x = 87,146,708,153.28
  5. Step 5: Solve for x
    x = 87,146,708,153.28/243,011.20
  6. Step 6: Final answer
    x = 358,611.90

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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.