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Finding the Fourth Proportional to 340,264.32, 469,748.88 and 238,601.76

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Solution

The fourth proportional to 340,264.32, 469,748.88 and 238,601.76 is: 329,399.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,264.32 : 469,748.88 = 238,601.76 : x
  2. Step 2: Convert to fraction form
    340,264.32/469,748.88 = 238,601.76/x
  3. Step 3: Cross multiply
    340,264.32x = 469,748.88 × 238,601.76
  4. Step 4: Simplify right side
    340,264.32x = 112,082,909,526.03
  5. Step 5: Solve for x
    x = 112,082,909,526.03/340,264.32
  6. Step 6: Final answer
    x = 329,399.54

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.