Home / 250,485.48-345,684.12-148,571.28

Finding the Fourth Proportional to 250,485.48, 345,684.12 and 148,571.28

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Solution

The fourth proportional to 250,485.48, 345,684.12 and 148,571.28 is: 205,036.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,485.48 : 345,684.12 = 148,571.28 : x
  2. Step 2: Convert to fraction form
    250,485.48/345,684.12 = 148,571.28/x
  3. Step 3: Cross multiply
    250,485.48x = 345,684.12 × 148,571.28
  4. Step 4: Simplify right side
    250,485.48x = 51,358,732,184.07
  5. Step 5: Solve for x
    x = 51,358,732,184.07/250,485.48
  6. Step 6: Final answer
    x = 205,036.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.