Home / 421,092.34-631,849.65-196,470.70

Finding the Fourth Proportional to 421,092.34, 631,849.65 and 196,470.70

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Solution

The fourth proportional to 421,092.34, 631,849.65 and 196,470.70 is: 294,804.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,092.34 : 631,849.65 = 196,470.70 : x
  2. Step 2: Convert to fraction form
    421,092.34/631,849.65 = 196,470.70/x
  3. Step 3: Cross multiply
    421,092.34x = 631,849.65 × 196,470.70
  4. Step 4: Simplify right side
    421,092.34x = 124,139,943,030.26
  5. Step 5: Solve for x
    x = 124,139,943,030.26/421,092.34
  6. Step 6: Final answer
    x = 294,804.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.