Home / 293,737.10-440,615.23-139,829.70

Finding the Fourth Proportional to 293,737.10, 440,615.23 and 139,829.70

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Solution

The fourth proportional to 293,737.10, 440,615.23 and 139,829.70 is: 209,749.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,737.10 : 440,615.23 = 139,829.70 : x
  2. Step 2: Convert to fraction form
    293,737.10/440,615.23 = 139,829.70/x
  3. Step 3: Cross multiply
    293,737.10x = 440,615.23 × 139,829.70
  4. Step 4: Simplify right side
    293,737.10x = 61,611,095,426.33
  5. Step 5: Solve for x
    x = 61,611,095,426.33/293,737.10
  6. Step 6: Final answer
    x = 209,749.11

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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.