Home / 278,869.04-384,838.23-158,033.34

Finding the Fourth Proportional to 278,869.04, 384,838.23 and 158,033.34

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Solution

The fourth proportional to 278,869.04, 384,838.23 and 158,033.34 is: 218,085.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,869.04 : 384,838.23 = 158,033.34 : x
  2. Step 2: Convert to fraction form
    278,869.04/384,838.23 = 158,033.34/x
  3. Step 3: Cross multiply
    278,869.04x = 384,838.23 × 158,033.34
  4. Step 4: Simplify right side
    278,869.04x = 60,817,270,846.59
  5. Step 5: Solve for x
    x = 60,817,270,846.59/278,869.04
  6. Step 6: Final answer
    x = 218,085.42

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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.