Home / 278,472.04-384,292.14-151,147.62

Finding the Fourth Proportional to 278,472.04, 384,292.14 and 151,147.62

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Solution

The fourth proportional to 278,472.04, 384,292.14 and 151,147.62 is: 208,584.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,472.04 : 384,292.14 = 151,147.62 : x
  2. Step 2: Convert to fraction form
    278,472.04/384,292.14 = 151,147.62/x
  3. Step 3: Cross multiply
    278,472.04x = 384,292.14 × 151,147.62
  4. Step 4: Simplify right side
    278,472.04x = 58,084,842,345.71
  5. Step 5: Solve for x
    x = 58,084,842,345.71/278,472.04
  6. Step 6: Final answer
    x = 208,584.11

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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.