Home / 668,776.51-1,003,180.16-163,341.68

Finding the Fourth Proportional to 668,776.51, 1,003,180.16 and 163,341.68

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Solution

The fourth proportional to 668,776.51, 1,003,180.16 and 163,341.68 is: 245,016.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,776.51 : 1,003,180.16 = 163,341.68 : x
  2. Step 2: Convert to fraction form
    668,776.51/1,003,180.16 = 163,341.68/x
  3. Step 3: Cross multiply
    668,776.51x = 1,003,180.16 × 163,341.68
  4. Step 4: Simplify right side
    668,776.51x = 163,861,131,860.36
  5. Step 5: Solve for x
    x = 163,861,131,860.36/668,776.51
  6. Step 6: Final answer
    x = 245,016.28

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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.