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Finding the Fourth Proportional to 240,868.80, 360,914.40 and 201,211.20

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Solution

The fourth proportional to 240,868.80, 360,914.40 and 201,211.20 is: 301,492.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,868.80 : 360,914.40 = 201,211.20 : x
  2. Step 2: Convert to fraction form
    240,868.80/360,914.40 = 201,211.20/x
  3. Step 3: Cross multiply
    240,868.80x = 360,914.40 × 201,211.20
  4. Step 4: Simplify right side
    240,868.80x = 72,620,019,521.28
  5. Step 5: Solve for x
    x = 72,620,019,521.28/240,868.80
  6. Step 6: Final answer
    x = 301,492.01

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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.