Home / 309,441.36-464,166.15-99,079.30

Finding the Fourth Proportional to 309,441.36, 464,166.15 and 99,079.30

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Solution

The fourth proportional to 309,441.36, 464,166.15 and 99,079.30 is: 148,620.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,441.36 : 464,166.15 = 99,079.30 : x
  2. Step 2: Convert to fraction form
    309,441.36/464,166.15 = 99,079.30/x
  3. Step 3: Cross multiply
    309,441.36x = 464,166.15 × 99,079.30
  4. Step 4: Simplify right side
    309,441.36x = 45,989,257,434.36
  5. Step 5: Solve for x
    x = 45,989,257,434.36/309,441.36
  6. Step 6: Final answer
    x = 148,620.26

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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.