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Finding the Fourth Proportional to 434,237.44, 599,178 and 243,258.88

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Solution

The fourth proportional to 434,237.44, 599,178 and 243,258.88 is: 335,658.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,237.44 : 599,178 = 243,258.88 : x
  2. Step 2: Convert to fraction form
    434,237.44/599,178 = 243,258.88/x
  3. Step 3: Cross multiply
    434,237.44x = 599,178 × 243,258.88
  4. Step 4: Simplify right side
    434,237.44x = 145,755,369,200.64
  5. Step 5: Solve for x
    x = 145,755,369,200.64/434,237.44
  6. Step 6: Final answer
    x = 335,658.23

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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.