Home / 278,569.04-384,421.32-151,249.52

Finding the Fourth Proportional to 278,569.04, 384,421.32 and 151,249.52

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Solution

The fourth proportional to 278,569.04, 384,421.32 and 151,249.52 is: 208,722.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,569.04 : 384,421.32 = 151,249.52 : x
  2. Step 2: Convert to fraction form
    278,569.04/384,421.32 = 151,249.52/x
  3. Step 3: Cross multiply
    278,569.04x = 384,421.32 × 151,249.52
  4. Step 4: Simplify right side
    278,569.04x = 58,143,540,127.77
  5. Step 5: Solve for x
    x = 58,143,540,127.77/278,569.04
  6. Step 6: Final answer
    x = 208,722.19

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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.