Home / 309,433.20-464,150.16-84,795.60

Finding the Fourth Proportional to 309,433.20, 464,150.16 and 84,795.60

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Solution

The fourth proportional to 309,433.20, 464,150.16 and 84,795.60 is: 127,193.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,433.20 : 464,150.16 = 84,795.60 : x
  2. Step 2: Convert to fraction form
    309,433.20/464,150.16 = 84,795.60/x
  3. Step 3: Cross multiply
    309,433.20x = 464,150.16 × 84,795.60
  4. Step 4: Simplify right side
    309,433.20x = 39,357,891,307.30
  5. Step 5: Solve for x
    x = 39,357,891,307.30/309,433.20
  6. Step 6: Final answer
    x = 127,193.50

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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.