Home / 238,401.02-328,993.53-130,977.97

Finding the Fourth Proportional to 238,401.02, 328,993.53 and 130,977.97

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Solution

The fourth proportional to 238,401.02, 328,993.53 and 130,977.97 is: 180,749.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,401.02 : 328,993.53 = 130,977.97 : x
  2. Step 2: Convert to fraction form
    238,401.02/328,993.53 = 130,977.97/x
  3. Step 3: Cross multiply
    238,401.02x = 328,993.53 × 130,977.97
  4. Step 4: Simplify right side
    238,401.02x = 43,090,903,880.05
  5. Step 5: Solve for x
    x = 43,090,903,880.05/238,401.02
  6. Step 6: Final answer
    x = 180,749.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.