Home / 254,072.67-349,740.07-219,601.60

Finding the Fourth Proportional to 254,072.67, 349,740.07 and 219,601.60

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Solution

The fourth proportional to 254,072.67, 349,740.07 and 219,601.60 is: 302,289.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,072.67 : 349,740.07 = 219,601.60 : x
  2. Step 2: Convert to fraction form
    254,072.67/349,740.07 = 219,601.60/x
  3. Step 3: Cross multiply
    254,072.67x = 349,740.07 × 219,601.60
  4. Step 4: Simplify right side
    254,072.67x = 76,803,478,956.11
  5. Step 5: Solve for x
    x = 76,803,478,956.11/254,072.67
  6. Step 6: Final answer
    x = 302,289.42

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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.