Home / 388,848.08-583,330.20-122,580.56

Finding the Fourth Proportional to 388,848.08, 583,330.20 and 122,580.56

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Solution

The fourth proportional to 388,848.08, 583,330.20 and 122,580.56 is: 183,889.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,848.08 : 583,330.20 = 122,580.56 : x
  2. Step 2: Convert to fraction form
    388,848.08/583,330.20 = 122,580.56/x
  3. Step 3: Cross multiply
    388,848.08x = 583,330.20 × 122,580.56
  4. Step 4: Simplify right side
    388,848.08x = 71,504,942,580.91
  5. Step 5: Solve for x
    x = 71,504,942,580.91/388,848.08
  6. Step 6: Final answer
    x = 183,889.15

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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.