Home / 280,934.64-387,675.48-153,585.52

Finding the Fourth Proportional to 280,934.64, 387,675.48 and 153,585.52

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Solution

The fourth proportional to 280,934.64, 387,675.48 and 153,585.52 is: 211,940.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,934.64 : 387,675.48 = 153,585.52 : x
  2. Step 2: Convert to fraction form
    280,934.64/387,675.48 = 153,585.52/x
  3. Step 3: Cross multiply
    280,934.64x = 387,675.48 × 153,585.52
  4. Step 4: Simplify right side
    280,934.64x = 59,541,340,187.05
  5. Step 5: Solve for x
    x = 59,541,340,187.05/280,934.64
  6. Step 6: Final answer
    x = 211,940.19

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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.