Home / 305,567.93-421,429.38-229,256.36

Finding the Fourth Proportional to 305,567.93, 421,429.38 and 229,256.36

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Solution

The fourth proportional to 305,567.93, 421,429.38 and 229,256.36 is: 316,182.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,567.93 : 421,429.38 = 229,256.36 : x
  2. Step 2: Convert to fraction form
    305,567.93/421,429.38 = 229,256.36/x
  3. Step 3: Cross multiply
    305,567.93x = 421,429.38 × 229,256.36
  4. Step 4: Simplify right side
    305,567.93x = 96,615,363,548.71
  5. Step 5: Solve for x
    x = 96,615,363,548.71/305,567.93
  6. Step 6: Final answer
    x = 316,182.94

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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.