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Finding the Fourth Proportional to 495,009.98, 683,114.04 and 268,655.48

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Solution

The fourth proportional to 495,009.98, 683,114.04 and 268,655.48 is: 370,744.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,009.98 : 683,114.04 = 268,655.48 : x
  2. Step 2: Convert to fraction form
    495,009.98/683,114.04 = 268,655.48/x
  3. Step 3: Cross multiply
    495,009.98x = 683,114.04 × 268,655.48
  4. Step 4: Simplify right side
    495,009.98x = 183,522,326,895.37
  5. Step 5: Solve for x
    x = 183,522,326,895.37/495,009.98
  6. Step 6: Final answer
    x = 370,744.70

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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.