Home / 209,040.80-288,477.42-113,548.28

Finding the Fourth Proportional to 209,040.80, 288,477.42 and 113,548.28

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Solution

The fourth proportional to 209,040.80, 288,477.42 and 113,548.28 is: 156,697.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,040.80 : 288,477.42 = 113,548.28 : x
  2. Step 2: Convert to fraction form
    209,040.80/288,477.42 = 113,548.28/x
  3. Step 3: Cross multiply
    209,040.80x = 288,477.42 × 113,548.28
  4. Step 4: Simplify right side
    209,040.80x = 32,756,114,859.84
  5. Step 5: Solve for x
    x = 32,756,114,859.84/209,040.80
  6. Step 6: Final answer
    x = 156,697.23

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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.