Home / 389,835.36-583,701.68-254,564.34

Finding the Fourth Proportional to 389,835.36, 583,701.68 and 254,564.34

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Solution

The fourth proportional to 389,835.36, 583,701.68 and 254,564.34 is: 381,159.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,835.36 : 583,701.68 = 254,564.34 : x
  2. Step 2: Convert to fraction form
    389,835.36/583,701.68 = 254,564.34/x
  3. Step 3: Cross multiply
    389,835.36x = 583,701.68 × 254,564.34
  4. Step 4: Simplify right side
    389,835.36x = 148,589,631,653.27
  5. Step 5: Solve for x
    x = 148,589,631,653.27/389,835.36
  6. Step 6: Final answer
    x = 381,159.96

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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.