Home / 278,950.04-384,938.64-158,084.24

Finding the Fourth Proportional to 278,950.04, 384,938.64 and 158,084.24

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Solution

The fourth proportional to 278,950.04, 384,938.64 and 158,084.24 is: 218,149.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,950.04 : 384,938.64 = 158,084.24 : x
  2. Step 2: Convert to fraction form
    278,950.04/384,938.64 = 158,084.24/x
  3. Step 3: Cross multiply
    278,950.04x = 384,938.64 × 158,084.24
  4. Step 4: Simplify right side
    278,950.04x = 60,852,732,351.03
  5. Step 5: Solve for x
    x = 60,852,732,351.03/278,950.04
  6. Step 6: Final answer
    x = 218,149.22

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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.