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Finding the Fourth Proportional to 306,605.54, 423,595.56 and 234,261.63

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Solution

The fourth proportional to 306,605.54, 423,595.56 and 234,261.63 is: 323,647.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,605.54 : 423,595.56 = 234,261.63 : x
  2. Step 2: Convert to fraction form
    306,605.54/423,595.56 = 234,261.63/x
  3. Step 3: Cross multiply
    306,605.54x = 423,595.56 × 234,261.63
  4. Step 4: Simplify right side
    306,605.54x = 99,232,187,224.84
  5. Step 5: Solve for x
    x = 99,232,187,224.84/306,605.54
  6. Step 6: Final answer
    x = 323,647.73

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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.