Home / 282,409.20-422,922.60-134,492.40

Finding the Fourth Proportional to 282,409.20, 422,922.60 and 134,492.40

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Solution

The fourth proportional to 282,409.20, 422,922.60 and 134,492.40 is: 201,409.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,409.20 : 422,922.60 = 134,492.40 : x
  2. Step 2: Convert to fraction form
    282,409.20/422,922.60 = 134,492.40/x
  3. Step 3: Cross multiply
    282,409.20x = 422,922.60 × 134,492.40
  4. Step 4: Simplify right side
    282,409.20x = 56,879,875,488.24
  5. Step 5: Solve for x
    x = 56,879,875,488.24/282,409.20
  6. Step 6: Final answer
    x = 201,409.43

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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.