Home / 353,922.51-488,519.79-240,810.87

Finding the Fourth Proportional to 353,922.51, 488,519.79 and 240,810.87

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Solution

The fourth proportional to 353,922.51, 488,519.79 and 240,810.87 is: 332,391.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,922.51 : 488,519.79 = 240,810.87 : x
  2. Step 2: Convert to fraction form
    353,922.51/488,519.79 = 240,810.87/x
  3. Step 3: Cross multiply
    353,922.51x = 488,519.79 × 240,810.87
  4. Step 4: Simplify right side
    353,922.51x = 117,640,875,642.12
  5. Step 5: Solve for x
    x = 117,640,875,642.12/353,922.51
  6. Step 6: Final answer
    x = 332,391.62

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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.