Home / 219,720.90-302,996.46-165,403.08

Finding the Fourth Proportional to 219,720.90, 302,996.46 and 165,403.08

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Solution

The fourth proportional to 219,720.90, 302,996.46 and 165,403.08 is: 228,091.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,720.90 : 302,996.46 = 165,403.08 : x
  2. Step 2: Convert to fraction form
    219,720.90/302,996.46 = 165,403.08/x
  3. Step 3: Cross multiply
    219,720.90x = 302,996.46 × 165,403.08
  4. Step 4: Simplify right side
    219,720.90x = 50,116,547,713.10
  5. Step 5: Solve for x
    x = 50,116,547,713.10/219,720.90
  6. Step 6: Final answer
    x = 228,091.86

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1.5x scale

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.