Home / 220,422.07-304,215.69-134,430.94

Finding the Fourth Proportional to 220,422.07, 304,215.69 and 134,430.94

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Solution

The fourth proportional to 220,422.07, 304,215.69 and 134,430.94 is: 185,534.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,422.07 : 304,215.69 = 134,430.94 : x
  2. Step 2: Convert to fraction form
    220,422.07/304,215.69 = 134,430.94/x
  3. Step 3: Cross multiply
    220,422.07x = 304,215.69 × 134,430.94
  4. Step 4: Simplify right side
    220,422.07x = 40,896,001,169.45
  5. Step 5: Solve for x
    x = 40,896,001,169.45/220,422.07
  6. Step 6: Final answer
    x = 185,534.97

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1.5x scale

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.