Home / 412,533.28-569,318.80-231,303.52

Finding the Fourth Proportional to 412,533.28, 569,318.80 and 231,303.52

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Solution

The fourth proportional to 412,533.28, 569,318.80 and 231,303.52 is: 319,211.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,533.28 : 569,318.80 = 231,303.52 : x
  2. Step 2: Convert to fraction form
    412,533.28/569,318.80 = 231,303.52/x
  3. Step 3: Cross multiply
    412,533.28x = 569,318.80 × 231,303.52
  4. Step 4: Simplify right side
    412,533.28x = 131,685,442,442.18
  5. Step 5: Solve for x
    x = 131,685,442,442.18/412,533.28
  6. Step 6: Final answer
    x = 319,211.68

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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.