Home / 421,686.22-581,917.00-230,701.18

Finding the Fourth Proportional to 421,686.22, 581,917.00 and 230,701.18

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Solution

The fourth proportional to 421,686.22, 581,917.00 and 230,701.18 is: 318,362.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,686.22 : 581,917.00 = 230,701.18 : x
  2. Step 2: Convert to fraction form
    421,686.22/581,917.00 = 230,701.18/x
  3. Step 3: Cross multiply
    421,686.22x = 581,917.00 × 230,701.18
  4. Step 4: Simplify right side
    421,686.22x = 134,248,934,498.97
  5. Step 5: Solve for x
    x = 134,248,934,498.97/421,686.22
  6. Step 6: Final answer
    x = 318,362.16

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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.