Home / 366,844.80-549,947.20-142,358.40

Finding the Fourth Proportional to 366,844.80, 549,947.20 and 142,358.40

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Solution

The fourth proportional to 366,844.80, 549,947.20 and 142,358.40 is: 213,413.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,844.80 : 549,947.20 = 142,358.40 : x
  2. Step 2: Convert to fraction form
    366,844.80/549,947.20 = 142,358.40/x
  3. Step 3: Cross multiply
    366,844.80x = 549,947.20 × 142,358.40
  4. Step 4: Simplify right side
    366,844.80x = 78,289,603,476.48
  5. Step 5: Solve for x
    x = 78,289,603,476.48/366,844.80
  6. Step 6: Final answer
    x = 213,413.42

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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.