Home / 259,263.18-388,627.67-99,295.47

Finding the Fourth Proportional to 259,263.18, 388,627.67 and 99,295.47

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Solution

The fourth proportional to 259,263.18, 388,627.67 and 99,295.47 is: 148,840.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,263.18 : 388,627.67 = 99,295.47 : x
  2. Step 2: Convert to fraction form
    259,263.18/388,627.67 = 99,295.47/x
  3. Step 3: Cross multiply
    259,263.18x = 388,627.67 × 99,295.47
  4. Step 4: Simplify right side
    259,263.18x = 38,588,967,395.89
  5. Step 5: Solve for x
    x = 38,588,967,395.89/259,263.18
  6. Step 6: Final answer
    x = 148,840.91

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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.