Home / 255,430.46-383,192.17-105,589.37

Finding the Fourth Proportional to 255,430.46, 383,192.17 and 105,589.37

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Solution

The fourth proportional to 255,430.46, 383,192.17 and 105,589.37 is: 158,403.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,430.46 : 383,192.17 = 105,589.37 : x
  2. Step 2: Convert to fraction form
    255,430.46/383,192.17 = 105,589.37/x
  3. Step 3: Cross multiply
    255,430.46x = 383,192.17 × 105,589.37
  4. Step 4: Simplify right side
    255,430.46x = 40,461,020,513.24
  5. Step 5: Solve for x
    x = 40,461,020,513.24/255,430.46
  6. Step 6: Final answer
    x = 158,403.27

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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.