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Finding the Fourth Proportional to 240,862.80, 360,905.40 and 201,205.20

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Solution

The fourth proportional to 240,862.80, 360,905.40 and 201,205.20 is: 301,483.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,862.80 : 360,905.40 = 201,205.20 : x
  2. Step 2: Convert to fraction form
    240,862.80/360,905.40 = 201,205.20/x
  3. Step 3: Cross multiply
    240,862.80x = 360,905.40 × 201,205.20
  4. Step 4: Simplify right side
    240,862.80x = 72,616,043,188.08
  5. Step 5: Solve for x
    x = 72,616,043,188.08/240,862.80
  6. Step 6: Final answer
    x = 301,483.02

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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.