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Finding the Fourth Proportional to 273,643.50, 377,528.31 and 160,444.38

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Solution

The fourth proportional to 273,643.50, 377,528.31 and 160,444.38 is: 221,354.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,643.50 : 377,528.31 = 160,444.38 : x
  2. Step 2: Convert to fraction form
    273,643.50/377,528.31 = 160,444.38/x
  3. Step 3: Cross multiply
    273,643.50x = 377,528.31 × 160,444.38
  4. Step 4: Simplify right side
    273,643.50x = 60,572,295,630.40
  5. Step 5: Solve for x
    x = 60,572,295,630.40/273,643.50
  6. Step 6: Final answer
    x = 221,354.78

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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.