Home / 309,075.60-463,267.80-131,552.40

Finding the Fourth Proportional to 309,075.60, 463,267.80 and 131,552.40

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Solution

The fourth proportional to 309,075.60, 463,267.80 and 131,552.40 is: 197,181.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,075.60 : 463,267.80 = 131,552.40 : x
  2. Step 2: Convert to fraction form
    309,075.60/463,267.80 = 131,552.40/x
  3. Step 3: Cross multiply
    309,075.60x = 463,267.80 × 131,552.40
  4. Step 4: Simplify right side
    309,075.60x = 60,943,990,932.72
  5. Step 5: Solve for x
    x = 60,943,990,932.72/309,075.60
  6. Step 6: Final answer
    x = 197,181.50

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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.