Home / 215,222.54-297,005.67-118,432.28

Finding the Fourth Proportional to 215,222.54, 297,005.67 and 118,432.28

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Solution

The fourth proportional to 215,222.54, 297,005.67 and 118,432.28 is: 163,435.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,222.54 : 297,005.67 = 118,432.28 : x
  2. Step 2: Convert to fraction form
    215,222.54/297,005.67 = 118,432.28/x
  3. Step 3: Cross multiply
    215,222.54x = 297,005.67 × 118,432.28
  4. Step 4: Simplify right side
    215,222.54x = 35,175,059,413.54
  5. Step 5: Solve for x
    x = 35,175,059,413.54/215,222.54
  6. Step 6: Final answer
    x = 163,435.76

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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.