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Finding the Fourth Proportional to 301,080.80, 450,746.40 and 201,353.60

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Solution

The fourth proportional to 301,080.80, 450,746.40 and 201,353.60 is: 301,445.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,080.80 : 450,746.40 = 201,353.60 : x
  2. Step 2: Convert to fraction form
    301,080.80/450,746.40 = 201,353.60/x
  3. Step 3: Cross multiply
    301,080.80x = 450,746.40 × 201,353.60
  4. Step 4: Simplify right side
    301,080.80x = 90,759,410,327.04
  5. Step 5: Solve for x
    x = 90,759,410,327.04/301,080.80
  6. Step 6: Final answer
    x = 301,445.36

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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.