Home / 209,669.88-314,458.38-67,477.08

Finding the Fourth Proportional to 209,669.88, 314,458.38 and 67,477.08

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Solution

The fourth proportional to 209,669.88, 314,458.38 and 67,477.08 is: 101,200.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,669.88 : 314,458.38 = 67,477.08 : x
  2. Step 2: Convert to fraction form
    209,669.88/314,458.38 = 67,477.08/x
  3. Step 3: Cross multiply
    209,669.88x = 314,458.38 × 67,477.08
  4. Step 4: Simplify right side
    209,669.88x = 21,218,733,263.93
  5. Step 5: Solve for x
    x = 21,218,733,263.93/209,669.88
  6. Step 6: Final answer
    x = 101,200.67

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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.