Home / 228,928.56-315,933.84-133,429.56

Finding the Fourth Proportional to 228,928.56, 315,933.84 and 133,429.56

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Solution

The fourth proportional to 228,928.56, 315,933.84 and 133,429.56 is: 184,140.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,928.56 : 315,933.84 = 133,429.56 : x
  2. Step 2: Convert to fraction form
    228,928.56/315,933.84 = 133,429.56/x
  3. Step 3: Cross multiply
    228,928.56x = 315,933.84 × 133,429.56
  4. Step 4: Simplify right side
    228,928.56x = 42,154,913,260.31
  5. Step 5: Solve for x
    x = 42,154,913,260.31/228,928.56
  6. Step 6: Final answer
    x = 184,140.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.