Home / 209,577.45-314,313.66-89,575.08

Finding the Fourth Proportional to 209,577.45, 314,313.66 and 89,575.08

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Solution

The fourth proportional to 209,577.45, 314,313.66 and 89,575.08 is: 134,340.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,577.45 : 314,313.66 = 89,575.08 : x
  2. Step 2: Convert to fraction form
    209,577.45/314,313.66 = 89,575.08/x
  3. Step 3: Cross multiply
    209,577.45x = 314,313.66 × 89,575.08
  4. Step 4: Simplify right side
    209,577.45x = 28,154,671,239.59
  5. Step 5: Solve for x
    x = 28,154,671,239.59/209,577.45
  6. Step 6: Final answer
    x = 134,340.17

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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.