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Finding the Fourth Proportional to 495,053.82, 683,172.54 and 268,699.32

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Solution

The fourth proportional to 495,053.82, 683,172.54 and 268,699.32 is: 370,804.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,053.82 : 683,172.54 = 268,699.32 : x
  2. Step 2: Convert to fraction form
    495,053.82/683,172.54 = 268,699.32/x
  3. Step 3: Cross multiply
    495,053.82x = 683,172.54 × 268,699.32
  4. Step 4: Simplify right side
    495,053.82x = 183,567,996,940.67
  5. Step 5: Solve for x
    x = 183,567,996,940.67/495,053.82
  6. Step 6: Final answer
    x = 370,804.12

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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.