Home / 315,756.24-473,971.52-135,930.67

Finding the Fourth Proportional to 315,756.24, 473,971.52 and 135,930.67

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Solution

The fourth proportional to 315,756.24, 473,971.52 and 135,930.67 is: 204,041.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,756.24 : 473,971.52 = 135,930.67 : x
  2. Step 2: Convert to fraction form
    315,756.24/473,971.52 = 135,930.67/x
  3. Step 3: Cross multiply
    315,756.24x = 473,971.52 × 135,930.67
  4. Step 4: Simplify right side
    315,756.24x = 64,427,265,429.42
  5. Step 5: Solve for x
    x = 64,427,265,429.42/315,756.24
  6. Step 6: Final answer
    x = 204,041.15

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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.