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Finding the Fourth Proportional to 356,888.73, 492,662.93 and 249,878.37

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Solution

The fourth proportional to 356,888.73, 492,662.93 and 249,878.37 is: 344,941.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,888.73 : 492,662.93 = 249,878.37 : x
  2. Step 2: Convert to fraction form
    356,888.73/492,662.93 = 249,878.37/x
  3. Step 3: Cross multiply
    356,888.73x = 492,662.93 × 249,878.37
  4. Step 4: Simplify right side
    356,888.73x = 123,105,808,658.43
  5. Step 5: Solve for x
    x = 123,105,808,658.43/356,888.73
  6. Step 6: Final answer
    x = 344,941.71

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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.