Home / 343,669.45-474,262.86-190,730.72

Finding the Fourth Proportional to 343,669.45, 474,262.86 and 190,730.72

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Solution

The fourth proportional to 343,669.45, 474,262.86 and 190,730.72 is: 263,207.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,669.45 : 474,262.86 = 190,730.72 : x
  2. Step 2: Convert to fraction form
    343,669.45/474,262.86 = 190,730.72/x
  3. Step 3: Cross multiply
    343,669.45x = 474,262.86 × 190,730.72
  4. Step 4: Simplify right side
    343,669.45x = 90,456,496,757.06
  5. Step 5: Solve for x
    x = 90,456,496,757.06/343,669.45
  6. Step 6: Final answer
    x = 263,207.85

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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.