Home / 310,043.08-428,011.14-208,032.04

Finding the Fourth Proportional to 310,043.08, 428,011.14 and 208,032.04

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Solution

The fourth proportional to 310,043.08, 428,011.14 and 208,032.04 is: 287,186.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,043.08 : 428,011.14 = 208,032.04 : x
  2. Step 2: Convert to fraction form
    310,043.08/428,011.14 = 208,032.04/x
  3. Step 3: Cross multiply
    310,043.08x = 428,011.14 × 208,032.04
  4. Step 4: Simplify right side
    310,043.08x = 89,040,030,596.93
  5. Step 5: Solve for x
    x = 89,040,030,596.93/310,043.08
  6. Step 6: Final answer
    x = 287,186.00

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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.