Home / 260,072.20-390,108.30-242,576.20

Finding the Fourth Proportional to 260,072.20, 390,108.30 and 242,576.20

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Solution

The fourth proportional to 260,072.20, 390,108.30 and 242,576.20 is: 363,864.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,072.20 : 390,108.30 = 242,576.20 : x
  2. Step 2: Convert to fraction form
    260,072.20/390,108.30 = 242,576.20/x
  3. Step 3: Cross multiply
    260,072.20x = 390,108.30 × 242,576.20
  4. Step 4: Simplify right side
    260,072.20x = 94,630,989,002.46
  5. Step 5: Solve for x
    x = 94,630,989,002.46/260,072.20
  6. Step 6: Final answer
    x = 363,864.30

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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.