Home / 389,238.48-584,088.30-164,586.60

Finding the Fourth Proportional to 389,238.48, 584,088.30 and 164,586.60

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Solution

The fourth proportional to 389,238.48, 584,088.30 and 164,586.60 is: 246,977.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,238.48 : 584,088.30 = 164,586.60 : x
  2. Step 2: Convert to fraction form
    389,238.48/584,088.30 = 164,586.60/x
  3. Step 3: Cross multiply
    389,238.48x = 584,088.30 × 164,586.60
  4. Step 4: Simplify right side
    389,238.48x = 96,133,107,396.78
  5. Step 5: Solve for x
    x = 96,133,107,396.78/389,238.48
  6. Step 6: Final answer
    x = 246,977.40

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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.