Home / 247,743.63-341,894.32-140,311.31

Finding the Fourth Proportional to 247,743.63, 341,894.32 and 140,311.31

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Solution

The fourth proportional to 247,743.63, 341,894.32 and 140,311.31 is: 193,634.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,743.63 : 341,894.32 = 140,311.31 : x
  2. Step 2: Convert to fraction form
    247,743.63/341,894.32 = 140,311.31/x
  3. Step 3: Cross multiply
    247,743.63x = 341,894.32 × 140,311.31
  4. Step 4: Simplify right side
    247,743.63x = 47,971,637,860.51
  5. Step 5: Solve for x
    x = 47,971,637,860.51/247,743.63
  6. Step 6: Final answer
    x = 193,634.19

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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.