Home / 269,802.09-372,338.93-155,117.93

Finding the Fourth Proportional to 269,802.09, 372,338.93 and 155,117.93

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Solution

The fourth proportional to 269,802.09, 372,338.93 and 155,117.93 is: 214,069.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,802.09 : 372,338.93 = 155,117.93 : x
  2. Step 2: Convert to fraction form
    269,802.09/372,338.93 = 155,117.93/x
  3. Step 3: Cross multiply
    269,802.09x = 372,338.93 × 155,117.93
  4. Step 4: Simplify right side
    269,802.09x = 57,756,443,304.43
  5. Step 5: Solve for x
    x = 57,756,443,304.43/269,802.09
  6. Step 6: Final answer
    x = 214,069.67

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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.