Home / 245,311.20-367,966.80-242,978.40

Finding the Fourth Proportional to 245,311.20, 367,966.80 and 242,978.40

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Solution

The fourth proportional to 245,311.20, 367,966.80 and 242,978.40 is: 364,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,311.20 : 367,966.80 = 242,978.40 : x
  2. Step 2: Convert to fraction form
    245,311.20/367,966.80 = 242,978.40/x
  3. Step 3: Cross multiply
    245,311.20x = 367,966.80 × 242,978.40
  4. Step 4: Simplify right side
    245,311.20x = 89,407,984,317.12
  5. Step 5: Solve for x
    x = 89,407,984,317.12/245,311.20
  6. Step 6: Final answer
    x = 364,467.60

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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.