Home / 286,837.25-430,061.75-160,564.65

Finding the Fourth Proportional to 286,837.25, 430,061.75 and 160,564.65

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Solution

The fourth proportional to 286,837.25, 430,061.75 and 160,564.65 is: 240,738.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,837.25 : 430,061.75 = 160,564.65 : x
  2. Step 2: Convert to fraction form
    286,837.25/430,061.75 = 160,564.65/x
  3. Step 3: Cross multiply
    286,837.25x = 430,061.75 × 160,564.65
  4. Step 4: Simplify right side
    286,837.25x = 69,052,713,564.31
  5. Step 5: Solve for x
    x = 69,052,713,564.31/286,837.25
  6. Step 6: Final answer
    x = 240,738.31

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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.