Home / 255,364.79-382,529.49-118,395.50

Finding the Fourth Proportional to 255,364.79, 382,529.49 and 118,395.50

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Solution

The fourth proportional to 255,364.79, 382,529.49 and 118,395.50 is: 177,353.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,364.79 : 382,529.49 = 118,395.50 : x
  2. Step 2: Convert to fraction form
    255,364.79/382,529.49 = 118,395.50/x
  3. Step 3: Cross multiply
    255,364.79x = 382,529.49 × 118,395.50
  4. Step 4: Simplify right side
    255,364.79x = 45,289,770,233.30
  5. Step 5: Solve for x
    x = 45,289,770,233.30/255,364.79
  6. Step 6: Final answer
    x = 177,353.23

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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.