Home / 305,616.02-421,748.24-169,669.67

Finding the Fourth Proportional to 305,616.02, 421,748.24 and 169,669.67

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Solution

The fourth proportional to 305,616.02, 421,748.24 and 169,669.67 is: 234,143.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,616.02 : 421,748.24 = 169,669.67 : x
  2. Step 2: Convert to fraction form
    305,616.02/421,748.24 = 169,669.67/x
  3. Step 3: Cross multiply
    305,616.02x = 421,748.24 × 169,669.67
  4. Step 4: Simplify right side
    305,616.02x = 71,557,881,746.79
  5. Step 5: Solve for x
    x = 71,557,881,746.79/305,616.02
  6. Step 6: Final answer
    x = 234,143.10

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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.