Home / 219,460.35-302,851.65-122,666.46

Finding the Fourth Proportional to 219,460.35, 302,851.65 and 122,666.46

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Solution

The fourth proportional to 219,460.35, 302,851.65 and 122,666.46 is: 169,277.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,460.35 : 302,851.65 = 122,666.46 : x
  2. Step 2: Convert to fraction form
    219,460.35/302,851.65 = 122,666.46/x
  3. Step 3: Cross multiply
    219,460.35x = 302,851.65 × 122,666.46
  4. Step 4: Simplify right side
    219,460.35x = 37,149,739,810.66
  5. Step 5: Solve for x
    x = 37,149,739,810.66/219,460.35
  6. Step 6: Final answer
    x = 169,277.68

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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.