Home / 389,633.60-584,669.10-164,955.80

Finding the Fourth Proportional to 389,633.60, 584,669.10 and 164,955.80

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Solution

The fourth proportional to 389,633.60, 584,669.10 and 164,955.80 is: 247,526.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,633.60 : 584,669.10 = 164,955.80 : x
  2. Step 2: Convert to fraction form
    389,633.60/584,669.10 = 164,955.80/x
  3. Step 3: Cross multiply
    389,633.60x = 584,669.10 × 164,955.80
  4. Step 4: Simplify right side
    389,633.60x = 96,444,559,125.78
  5. Step 5: Solve for x
    x = 96,444,559,125.78/389,633.60
  6. Step 6: Final answer
    x = 247,526.29

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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.