Home / 278,526.08-384,325.44-159,271.04

Finding the Fourth Proportional to 278,526.08, 384,325.44 and 159,271.04

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Solution

The fourth proportional to 278,526.08, 384,325.44 and 159,271.04 is: 219,770.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,526.08 : 384,325.44 = 159,271.04 : x
  2. Step 2: Convert to fraction form
    278,526.08/384,325.44 = 159,271.04/x
  3. Step 3: Cross multiply
    278,526.08x = 384,325.44 × 159,271.04
  4. Step 4: Simplify right side
    278,526.08x = 61,211,912,527.26
  5. Step 5: Solve for x
    x = 61,211,912,527.26/278,526.08
  6. Step 6: Final answer
    x = 219,770.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.