Home / 370,864.10-556,296.16-90,383.78

Finding the Fourth Proportional to 370,864.10, 556,296.16 and 90,383.78

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Solution

The fourth proportional to 370,864.10, 556,296.16 and 90,383.78 is: 135,575.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,864.10 : 556,296.16 = 90,383.78 : x
  2. Step 2: Convert to fraction form
    370,864.10/556,296.16 = 90,383.78/x
  3. Step 3: Cross multiply
    370,864.10x = 556,296.16 × 90,383.78
  4. Step 4: Simplify right side
    370,864.10x = 50,280,149,740.28
  5. Step 5: Solve for x
    x = 50,280,149,740.28/370,864.10
  6. Step 6: Final answer
    x = 135,575.67

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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.