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Finding the Fourth Proportional to 401,687.10, 602,530.04 and 164,862.95

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Solution

The fourth proportional to 401,687.10, 602,530.04 and 164,862.95 is: 247,294.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,687.10 : 602,530.04 = 164,862.95 : x
  2. Step 2: Convert to fraction form
    401,687.10/602,530.04 = 164,862.95/x
  3. Step 3: Cross multiply
    401,687.10x = 602,530.04 × 164,862.95
  4. Step 4: Simplify right side
    401,687.10x = 99,334,877,257.53
  5. Step 5: Solve for x
    x = 99,334,877,257.53/401,687.10
  6. Step 6: Final answer
    x = 247,294.17

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Why These Related Problems?

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