Home / 278,903.42-417,895.38-160,674.20

Finding the Fourth Proportional to 278,903.42, 417,895.38 and 160,674.20

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Solution

The fourth proportional to 278,903.42, 417,895.38 and 160,674.20 is: 240,746.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,903.42 : 417,895.38 = 160,674.20 : x
  2. Step 2: Convert to fraction form
    278,903.42/417,895.38 = 160,674.20/x
  3. Step 3: Cross multiply
    278,903.42x = 417,895.38 × 160,674.20
  4. Step 4: Simplify right side
    278,903.42x = 67,145,005,865.20
  5. Step 5: Solve for x
    x = 67,145,005,865.20/278,903.42
  6. Step 6: Final answer
    x = 240,746.44

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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.