Home / 495,095.60-683,182.05-280,198.26

Finding the Fourth Proportional to 495,095.60, 683,182.05 and 280,198.26

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Solution

The fourth proportional to 495,095.60, 683,182.05 and 280,198.26 is: 386,645.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,095.60 : 683,182.05 = 280,198.26 : x
  2. Step 2: Convert to fraction form
    495,095.60/683,182.05 = 280,198.26/x
  3. Step 3: Cross multiply
    495,095.60x = 683,182.05 × 280,198.26
  4. Step 4: Simplify right side
    495,095.60x = 191,426,421,673.23
  5. Step 5: Solve for x
    x = 191,426,421,673.23/495,095.60
  6. Step 6: Final answer
    x = 386,645.37

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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.