Home / 439,737.60-659,606.40-203,541.60

Finding the Fourth Proportional to 439,737.60, 659,606.40 and 203,541.60

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Solution

The fourth proportional to 439,737.60, 659,606.40 and 203,541.60 is: 305,312.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,737.60 : 659,606.40 = 203,541.60 : x
  2. Step 2: Convert to fraction form
    439,737.60/659,606.40 = 203,541.60/x
  3. Step 3: Cross multiply
    439,737.60x = 659,606.40 × 203,541.60
  4. Step 4: Simplify right side
    439,737.60x = 134,257,342,026.24
  5. Step 5: Solve for x
    x = 134,257,342,026.24/439,737.60
  6. Step 6: Final answer
    x = 305,312.40

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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.