Home / 229,973.76-317,360.16-127,998

Finding the Fourth Proportional to 229,973.76, 317,360.16 and 127,998

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Solution

The fourth proportional to 229,973.76, 317,360.16 and 127,998 is: 176,635.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,973.76 : 317,360.16 = 127,998 : x
  2. Step 2: Convert to fraction form
    229,973.76/317,360.16 = 127,998/x
  3. Step 3: Cross multiply
    229,973.76x = 317,360.16 × 127,998
  4. Step 4: Simplify right side
    229,973.76x = 40,621,465,759.68
  5. Step 5: Solve for x
    x = 40,621,465,759.68/229,973.76
  6. Step 6: Final answer
    x = 176,635.22

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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.