Home / 209,740.32-289,551.17-163,701.10

Finding the Fourth Proportional to 209,740.32, 289,551.17 and 163,701.10

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Solution

The fourth proportional to 209,740.32, 289,551.17 and 163,701.10 is: 225,993.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,740.32 : 289,551.17 = 163,701.10 : x
  2. Step 2: Convert to fraction form
    209,740.32/289,551.17 = 163,701.10/x
  3. Step 3: Cross multiply
    209,740.32x = 289,551.17 × 163,701.10
  4. Step 4: Simplify right side
    209,740.32x = 47,399,845,806.48
  5. Step 5: Solve for x
    x = 47,399,845,806.48/209,740.32
  6. Step 6: Final answer
    x = 225,993.01

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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.