Home / 306,032.23-422,326.81-170,078.93

Finding the Fourth Proportional to 306,032.23, 422,326.81 and 170,078.93

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Solution

The fourth proportional to 306,032.23, 422,326.81 and 170,078.93 is: 234,710.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,032.23 : 422,326.81 = 170,078.93 : x
  2. Step 2: Convert to fraction form
    306,032.23/422,326.81 = 170,078.93/x
  3. Step 3: Cross multiply
    306,032.23x = 422,326.81 × 170,078.93
  4. Step 4: Simplify right side
    306,032.23x = 71,828,891,955.11
  5. Step 5: Solve for x
    x = 71,828,891,955.11/306,032.23
  6. Step 6: Final answer
    x = 234,710.22

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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.