Home / 258,211.25-356,308.83-143,482.62

Finding the Fourth Proportional to 258,211.25, 356,308.83 and 143,482.62

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Solution

The fourth proportional to 258,211.25, 356,308.83 and 143,482.62 is: 197,993.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,211.25 : 356,308.83 = 143,482.62 : x
  2. Step 2: Convert to fraction form
    258,211.25/356,308.83 = 143,482.62/x
  3. Step 3: Cross multiply
    258,211.25x = 356,308.83 × 143,482.62
  4. Step 4: Simplify right side
    258,211.25x = 51,124,124,193.00
  5. Step 5: Solve for x
    x = 51,124,124,193.00/258,211.25
  6. Step 6: Final answer
    x = 197,993.41

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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.