Home / 219,284.27-302,528.93-137,577.90

Finding the Fourth Proportional to 219,284.27, 302,528.93 and 137,577.90

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Solution

The fourth proportional to 219,284.27, 302,528.93 and 137,577.90 is: 189,805.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,284.27 : 302,528.93 = 137,577.90 : x
  2. Step 2: Convert to fraction form
    219,284.27/302,528.93 = 137,577.90/x
  3. Step 3: Cross multiply
    219,284.27x = 302,528.93 × 137,577.90
  4. Step 4: Simplify right side
    219,284.27x = 41,621,294,190.76
  5. Step 5: Solve for x
    x = 41,621,294,190.76/219,284.27
  6. Step 6: Final answer
    x = 189,805.20

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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.