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Finding the Fourth Proportional to 258,069.94, 356,136.51 and 144,895.12

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Solution

The fourth proportional to 258,069.94, 356,136.51 and 144,895.12 is: 199,955.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,069.94 : 356,136.51 = 144,895.12 : x
  2. Step 2: Convert to fraction form
    258,069.94/356,136.51 = 144,895.12/x
  3. Step 3: Cross multiply
    258,069.94x = 356,136.51 × 144,895.12
  4. Step 4: Simplify right side
    258,069.94x = 51,602,442,005.85
  5. Step 5: Solve for x
    x = 51,602,442,005.85/258,069.94
  6. Step 6: Final answer
    x = 199,955.26

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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.