Home / 343,121.80-473,502.36-188,071.60

Finding the Fourth Proportional to 343,121.80, 473,502.36 and 188,071.60

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Solution

The fourth proportional to 343,121.80, 473,502.36 and 188,071.60 is: 259,535.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,121.80 : 473,502.36 = 188,071.60 : x
  2. Step 2: Convert to fraction form
    343,121.80/473,502.36 = 188,071.60/x
  3. Step 3: Cross multiply
    343,121.80x = 473,502.36 × 188,071.60
  4. Step 4: Simplify right side
    343,121.80x = 89,052,346,448.98
  5. Step 5: Solve for x
    x = 89,052,346,448.98/343,121.80
  6. Step 6: Final answer
    x = 259,535.67

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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.