Home / 389,999.10-584,569.27-255,007.50

Finding the Fourth Proportional to 389,999.10, 584,569.27 and 255,007.50

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Solution

The fourth proportional to 389,999.10, 584,569.27 and 255,007.50 is: 382,230.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,999.10 : 584,569.27 = 255,007.50 : x
  2. Step 2: Convert to fraction form
    389,999.10/584,569.27 = 255,007.50/x
  3. Step 3: Cross multiply
    389,999.10x = 584,569.27 × 255,007.50
  4. Step 4: Simplify right side
    389,999.10x = 149,069,548,119.53
  5. Step 5: Solve for x
    x = 149,069,548,119.53/389,999.10
  6. Step 6: Final answer
    x = 382,230.49

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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.