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Finding the Fourth Proportional to 603,702.30, 905,225.40 and 204,137.40

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Solution

The fourth proportional to 603,702.30, 905,225.40 and 204,137.40 is: 306,095.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,702.30 : 905,225.40 = 204,137.40 : x
  2. Step 2: Convert to fraction form
    603,702.30/905,225.40 = 204,137.40/x
  3. Step 3: Cross multiply
    603,702.30x = 905,225.40 × 204,137.40
  4. Step 4: Simplify right side
    603,702.30x = 184,790,359,569.96
  5. Step 5: Solve for x
    x = 184,790,359,569.96/603,702.30
  6. Step 6: Final answer
    x = 306,095.17

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1.5x scale

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.