Home / 643,350.47-965,029.34-170,030.81

Finding the Fourth Proportional to 643,350.47, 965,029.34 and 170,030.81

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Solution

The fourth proportional to 643,350.47, 965,029.34 and 170,030.81 is: 255,047.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,350.47 : 965,029.34 = 170,030.81 : x
  2. Step 2: Convert to fraction form
    643,350.47/965,029.34 = 170,030.81/x
  3. Step 3: Cross multiply
    643,350.47x = 965,029.34 × 170,030.81
  4. Step 4: Simplify right side
    643,350.47x = 164,084,723,191.62
  5. Step 5: Solve for x
    x = 164,084,723,191.62/643,350.47
  6. Step 6: Final answer
    x = 255,047.18

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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.