Home / 268,410.07-370,413.03-145,910.70

Finding the Fourth Proportional to 268,410.07, 370,413.03 and 145,910.70

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Solution

The fourth proportional to 268,410.07, 370,413.03 and 145,910.70 is: 201,360.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,410.07 : 370,413.03 = 145,910.70 : x
  2. Step 2: Convert to fraction form
    268,410.07/370,413.03 = 145,910.70/x
  3. Step 3: Cross multiply
    268,410.07x = 370,413.03 × 145,910.70
  4. Step 4: Simplify right side
    268,410.07x = 54,047,225,043.59
  5. Step 5: Solve for x
    x = 54,047,225,043.59/268,410.07
  6. Step 6: Final answer
    x = 201,360.64

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1.5x scale

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.