Home / 412,848.19-619,088.14-143,001.55

Finding the Fourth Proportional to 412,848.19, 619,088.14 and 143,001.55

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Solution

The fourth proportional to 412,848.19, 619,088.14 and 143,001.55 is: 214,438.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,848.19 : 619,088.14 = 143,001.55 : x
  2. Step 2: Convert to fraction form
    412,848.19/619,088.14 = 143,001.55/x
  3. Step 3: Cross multiply
    412,848.19x = 619,088.14 × 143,001.55
  4. Step 4: Simplify right side
    412,848.19x = 88,530,563,606.62
  5. Step 5: Solve for x
    x = 88,530,563,606.62/412,848.19
  6. Step 6: Final answer
    x = 214,438.54

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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.