Home / 374,091.06-516,060.69-221,055.21

Finding the Fourth Proportional to 374,091.06, 516,060.69 and 221,055.21

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Solution

The fourth proportional to 374,091.06, 516,060.69 and 221,055.21 is: 304,946.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,091.06 : 516,060.69 = 221,055.21 : x
  2. Step 2: Convert to fraction form
    374,091.06/516,060.69 = 221,055.21/x
  3. Step 3: Cross multiply
    374,091.06x = 516,060.69 × 221,055.21
  4. Step 4: Simplify right side
    374,091.06x = 114,077,904,385.57
  5. Step 5: Solve for x
    x = 114,077,904,385.57/374,091.06
  6. Step 6: Final answer
    x = 304,946.89

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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.