Home / 261,289.64-360,579.43-148,112.39

Finding the Fourth Proportional to 261,289.64, 360,579.43 and 148,112.39

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Solution

The fourth proportional to 261,289.64, 360,579.43 and 148,112.39 is: 204,394.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,289.64 : 360,579.43 = 148,112.39 : x
  2. Step 2: Convert to fraction form
    261,289.64/360,579.43 = 148,112.39/x
  3. Step 3: Cross multiply
    261,289.64x = 360,579.43 × 148,112.39
  4. Step 4: Simplify right side
    261,289.64x = 53,406,281,162.14
  5. Step 5: Solve for x
    x = 53,406,281,162.14/261,289.64
  6. Step 6: Final answer
    x = 204,394.94

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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.