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Finding the Fourth Proportional to 401,522.95, 554,100.19 and 248,530.68

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Solution

The fourth proportional to 401,522.95, 554,100.19 and 248,530.68 is: 342,971.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,522.95 : 554,100.19 = 248,530.68 : x
  2. Step 2: Convert to fraction form
    401,522.95/554,100.19 = 248,530.68/x
  3. Step 3: Cross multiply
    401,522.95x = 554,100.19 × 248,530.68
  4. Step 4: Simplify right side
    401,522.95x = 137,710,896,387.50
  5. Step 5: Solve for x
    x = 137,710,896,387.50/401,522.95
  6. Step 6: Final answer
    x = 342,971.42

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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.