Home / 643,345.23-965,026.06-170,026.50

Finding the Fourth Proportional to 643,345.23, 965,026.06 and 170,026.50

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Solution

The fourth proportional to 643,345.23, 965,026.06 and 170,026.50 is: 255,041.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,345.23 : 965,026.06 = 170,026.50 : x
  2. Step 2: Convert to fraction form
    643,345.23/965,026.06 = 170,026.50/x
  3. Step 3: Cross multiply
    643,345.23x = 965,026.06 × 170,026.50
  4. Step 4: Simplify right side
    643,345.23x = 164,080,002,965.52
  5. Step 5: Solve for x
    x = 164,080,002,965.52/643,345.23
  6. Step 6: Final answer
    x = 255,041.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.