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Finding the Fourth Proportional to 188,040.40, 282,521.40 and 141,384.40

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Solution

The fourth proportional to 188,040.40, 282,521.40 and 141,384.40 is: 212,423.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,040.40 : 282,521.40 = 141,384.40 : x
  2. Step 2: Convert to fraction form
    188,040.40/282,521.40 = 141,384.40/x
  3. Step 3: Cross multiply
    188,040.40x = 282,521.40 × 141,384.40
  4. Step 4: Simplify right side
    188,040.40x = 39,944,118,626.16
  5. Step 5: Solve for x
    x = 39,944,118,626.16/188,040.40
  6. Step 6: Final answer
    x = 212,423.07

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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.