Home / 219,278.89-302,601.60-122,484.09

Finding the Fourth Proportional to 219,278.89, 302,601.60 and 122,484.09

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Solution

The fourth proportional to 219,278.89, 302,601.60 and 122,484.09 is: 169,026.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,278.89 : 302,601.60 = 122,484.09 : x
  2. Step 2: Convert to fraction form
    219,278.89/302,601.60 = 122,484.09/x
  3. Step 3: Cross multiply
    219,278.89x = 302,601.60 × 122,484.09
  4. Step 4: Simplify right side
    219,278.89x = 37,063,881,608.54
  5. Step 5: Solve for x
    x = 37,063,881,608.54/219,278.89
  6. Step 6: Final answer
    x = 169,026.22

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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.