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Finding the Fourth Proportional to 350,585.51, 526,114.88 and 137,326.96

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Solution

The fourth proportional to 350,585.51, 526,114.88 and 137,326.96 is: 206,083.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,585.51 : 526,114.88 = 137,326.96 : x
  2. Step 2: Convert to fraction form
    350,585.51/526,114.88 = 137,326.96/x
  3. Step 3: Cross multiply
    350,585.51x = 526,114.88 × 137,326.96
  4. Step 4: Simplify right side
    350,585.51x = 72,249,757,081.16
  5. Step 5: Solve for x
    x = 72,249,757,081.16/350,585.51
  6. Step 6: Final answer
    x = 206,083.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.