Home / 309,534.11-464,205.36-149,510.64

Finding the Fourth Proportional to 309,534.11, 464,205.36 and 149,510.64

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Solution

The fourth proportional to 309,534.11, 464,205.36 and 149,510.64 is: 224,219.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,534.11 : 464,205.36 = 149,510.64 : x
  2. Step 2: Convert to fraction form
    309,534.11/464,205.36 = 149,510.64/x
  3. Step 3: Cross multiply
    309,534.11x = 464,205.36 × 149,510.64
  4. Step 4: Simplify right side
    309,534.11x = 69,403,640,465.03
  5. Step 5: Solve for x
    x = 69,403,640,465.03/309,534.11
  6. Step 6: Final answer
    x = 224,219.69

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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.