Home / 495,243.74-742,975.77-179,693.66

Finding the Fourth Proportional to 495,243.74, 742,975.77 and 179,693.66

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Solution

The fourth proportional to 495,243.74, 742,975.77 and 179,693.66 is: 269,580.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,243.74 : 742,975.77 = 179,693.66 : x
  2. Step 2: Convert to fraction form
    495,243.74/742,975.77 = 179,693.66/x
  3. Step 3: Cross multiply
    495,243.74x = 742,975.77 × 179,693.66
  4. Step 4: Simplify right side
    495,243.74x = 133,508,035,402.62
  5. Step 5: Solve for x
    x = 133,508,035,402.62/495,243.74
  6. Step 6: Final answer
    x = 269,580.46

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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.