Home / 260,564.20-390,846.30-243,068.20

Finding the Fourth Proportional to 260,564.20, 390,846.30 and 243,068.20

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Solution

The fourth proportional to 260,564.20, 390,846.30 and 243,068.20 is: 364,602.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,564.20 : 390,846.30 = 243,068.20 : x
  2. Step 2: Convert to fraction form
    260,564.20/390,846.30 = 243,068.20/x
  3. Step 3: Cross multiply
    260,564.20x = 390,846.30 × 243,068.20
  4. Step 4: Simplify right side
    260,564.20x = 95,002,306,617.66
  5. Step 5: Solve for x
    x = 95,002,306,617.66/260,564.20
  6. Step 6: Final answer
    x = 364,602.30

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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.