Home / 342,979.18-473,047.10-206,871.23

Finding the Fourth Proportional to 342,979.18, 473,047.10 and 206,871.23

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Solution

The fourth proportional to 342,979.18, 473,047.10 and 206,871.23 is: 285,322.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,979.18 : 473,047.10 = 206,871.23 : x
  2. Step 2: Convert to fraction form
    342,979.18/473,047.10 = 206,871.23/x
  3. Step 3: Cross multiply
    342,979.18x = 473,047.10 × 206,871.23
  4. Step 4: Simplify right side
    342,979.18x = 97,859,835,573.19
  5. Step 5: Solve for x
    x = 97,859,835,573.19/342,979.18
  6. Step 6: Final answer
    x = 285,322.96

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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.