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Finding the Fourth Proportional to 228,480.68, 342,737.04 and 70,688.36

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Solution

The fourth proportional to 228,480.68, 342,737.04 and 70,688.36 is: 106,037.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,480.68 : 342,737.04 = 70,688.36 : x
  2. Step 2: Convert to fraction form
    228,480.68/342,737.04 = 70,688.36/x
  3. Step 3: Cross multiply
    228,480.68x = 342,737.04 × 70,688.36
  4. Step 4: Simplify right side
    228,480.68x = 24,227,519,268.85
  5. Step 5: Solve for x
    x = 24,227,519,268.85/228,480.68
  6. Step 6: Final answer
    x = 106,037.50

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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.