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Finding the Fourth Proportional to 255,389.40, 382,500.90 and 150,413.40

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Solution

The fourth proportional to 255,389.40, 382,500.90 and 150,413.40 is: 225,276.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,389.40 : 382,500.90 = 150,413.40 : x
  2. Step 2: Convert to fraction form
    255,389.40/382,500.90 = 150,413.40/x
  3. Step 3: Cross multiply
    255,389.40x = 382,500.90 × 150,413.40
  4. Step 4: Simplify right side
    255,389.40x = 57,533,260,872.06
  5. Step 5: Solve for x
    x = 57,533,260,872.06/255,389.40
  6. Step 6: Final answer
    x = 225,276.62

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1.5x scale

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.