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Finding the Fourth Proportional to 140,412, 210,618 and 41,916

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Solution

The fourth proportional to 140,412, 210,618 and 41,916 is: 62,874

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,412 : 210,618 = 41,916 : x
  2. Step 2: Convert to fraction form
    140,412/210,618 = 41,916/x
  3. Step 3: Cross multiply
    140,412x = 210,618 × 41,916
  4. Step 4: Simplify right side
    140,412x = 8,828,264,088
  5. Step 5: Solve for x
    x = 8,828,264,088/140,412
  6. Step 6: Final answer
    x = 62,874

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.