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Finding the Fourth Proportional to 209,075.60, 313,152.60 and 181,427.60

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Solution

The fourth proportional to 209,075.60, 313,152.60 and 181,427.60 is: 271,741.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,075.60 : 313,152.60 = 181,427.60 : x
  2. Step 2: Convert to fraction form
    209,075.60/313,152.60 = 181,427.60/x
  3. Step 3: Cross multiply
    209,075.60x = 313,152.60 × 181,427.60
  4. Step 4: Simplify right side
    209,075.60x = 56,814,524,651.76
  5. Step 5: Solve for x
    x = 56,814,524,651.76/209,075.60
  6. Step 6: Final answer
    x = 271,741.54

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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.