Home / 281,281.50-422,025.93-148,156.38

Finding the Fourth Proportional to 281,281.50, 422,025.93 and 148,156.38

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Solution

The fourth proportional to 281,281.50, 422,025.93 and 148,156.38 is: 222,289.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,281.50 : 422,025.93 = 148,156.38 : x
  2. Step 2: Convert to fraction form
    281,281.50/422,025.93 = 148,156.38/x
  3. Step 3: Cross multiply
    281,281.50x = 422,025.93 × 148,156.38
  4. Step 4: Simplify right side
    281,281.50x = 62,525,834,054.93
  5. Step 5: Solve for x
    x = 62,525,834,054.93/281,281.50
  6. Step 6: Final answer
    x = 222,289.18

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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.