Home / 391,017.16-586,569.48-110,556.28

Finding the Fourth Proportional to 391,017.16, 586,569.48 and 110,556.28

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Solution

The fourth proportional to 391,017.16, 586,569.48 and 110,556.28 is: 165,846.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,017.16 : 586,569.48 = 110,556.28 : x
  2. Step 2: Convert to fraction form
    391,017.16/586,569.48 = 110,556.28/x
  3. Step 3: Cross multiply
    391,017.16x = 586,569.48 × 110,556.28
  4. Step 4: Simplify right side
    391,017.16x = 64,848,939,670.33
  5. Step 5: Solve for x
    x = 64,848,939,670.33/391,017.16
  6. Step 6: Final answer
    x = 165,846.79

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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.