Home / 219,714.86-302,988.15-165,397.07

Finding the Fourth Proportional to 219,714.86, 302,988.15 and 165,397.07

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Solution

The fourth proportional to 219,714.86, 302,988.15 and 165,397.07 is: 228,083.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,714.86 : 302,988.15 = 165,397.07 : x
  2. Step 2: Convert to fraction form
    219,714.86/302,988.15 = 165,397.07/x
  3. Step 3: Cross multiply
    219,714.86x = 302,988.15 × 165,397.07
  4. Step 4: Simplify right side
    219,714.86x = 50,113,350,739.78
  5. Step 5: Solve for x
    x = 50,113,350,739.78/219,714.86
  6. Step 6: Final answer
    x = 228,083.58

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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.