Home / 209,427.50-314,141.26-89,467.32

Finding the Fourth Proportional to 209,427.50, 314,141.26 and 89,467.32

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Solution

The fourth proportional to 209,427.50, 314,141.26 and 89,467.32 is: 134,200.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,427.50 : 314,141.26 = 89,467.32 : x
  2. Step 2: Convert to fraction form
    209,427.50/314,141.26 = 89,467.32/x
  3. Step 3: Cross multiply
    209,427.50x = 314,141.26 × 89,467.32
  4. Step 4: Simplify right side
    209,427.50x = 28,105,376,633.62
  5. Step 5: Solve for x
    x = 28,105,376,633.62/209,427.50
  6. Step 6: Final answer
    x = 134,200.98

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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.