Home / 278,746.96-384,674.92-151,425.04

Finding the Fourth Proportional to 278,746.96, 384,674.92 and 151,425.04

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Solution

The fourth proportional to 278,746.96, 384,674.92 and 151,425.04 is: 208,968.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,746.96 : 384,674.92 = 151,425.04 : x
  2. Step 2: Convert to fraction form
    278,746.96/384,674.92 = 151,425.04/x
  3. Step 3: Cross multiply
    278,746.96x = 384,674.92 × 151,425.04
  4. Step 4: Simplify right side
    278,746.96x = 58,249,415,148.00
  5. Step 5: Solve for x
    x = 58,249,415,148.00/278,746.96
  6. Step 6: Final answer
    x = 208,968.79

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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.