Home / 638,349.15-957,556.53-165,038.61

Finding the Fourth Proportional to 638,349.15, 957,556.53 and 165,038.61

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Solution

The fourth proportional to 638,349.15, 957,556.53 and 165,038.61 is: 247,566.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,349.15 : 957,556.53 = 165,038.61 : x
  2. Step 2: Convert to fraction form
    638,349.15/957,556.53 = 165,038.61/x
  3. Step 3: Cross multiply
    638,349.15x = 957,556.53 × 165,038.61
  4. Step 4: Simplify right side
    638,349.15x = 158,033,798,707.62
  5. Step 5: Solve for x
    x = 158,033,798,707.62/638,349.15
  6. Step 6: Final answer
    x = 247,566.40

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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.