Home / 286,774.05-430,172.03-106,904.24

Finding the Fourth Proportional to 286,774.05, 430,172.03 and 106,904.24

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Solution

The fourth proportional to 286,774.05, 430,172.03 and 106,904.24 is: 160,360.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,774.05 : 430,172.03 = 106,904.24 : x
  2. Step 2: Convert to fraction form
    286,774.05/430,172.03 = 106,904.24/x
  3. Step 3: Cross multiply
    286,774.05x = 430,172.03 × 106,904.24
  4. Step 4: Simplify right side
    286,774.05x = 45,987,211,251.03
  5. Step 5: Solve for x
    x = 45,987,211,251.03/286,774.05
  6. Step 6: Final answer
    x = 160,360.43

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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.