Home / 259,820.31-358,582.28-216,135.69

Finding the Fourth Proportional to 259,820.31, 358,582.28 and 216,135.69

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Solution

The fourth proportional to 259,820.31, 358,582.28 and 216,135.69 is: 298,292.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,820.31 : 358,582.28 = 216,135.69 : x
  2. Step 2: Convert to fraction form
    259,820.31/358,582.28 = 216,135.69/x
  3. Step 3: Cross multiply
    259,820.31x = 358,582.28 × 216,135.69
  4. Step 4: Simplify right side
    259,820.31x = 77,502,428,509.57
  5. Step 5: Solve for x
    x = 77,502,428,509.57/259,820.31
  6. Step 6: Final answer
    x = 298,292.42

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1.5x scale

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.