Home / 495,017.60-683,120.16-268,663.04

Finding the Fourth Proportional to 495,017.60, 683,120.16 and 268,663.04

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Solution

The fourth proportional to 495,017.60, 683,120.16 and 268,663.04 is: 370,752.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,017.60 : 683,120.16 = 268,663.04 : x
  2. Step 2: Convert to fraction form
    495,017.60/683,120.16 = 268,663.04/x
  3. Step 3: Cross multiply
    495,017.60x = 683,120.16 × 268,663.04
  4. Step 4: Simplify right side
    495,017.60x = 183,529,138,870.89
  5. Step 5: Solve for x
    x = 183,529,138,870.89/495,017.60
  6. Step 6: Final answer
    x = 370,752.75

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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.