Home / 347,016.54-478,851.58-201,823.67

Finding the Fourth Proportional to 347,016.54, 478,851.58 and 201,823.67

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Solution

The fourth proportional to 347,016.54, 478,851.58 and 201,823.67 is: 278,498.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,016.54 : 478,851.58 = 201,823.67 : x
  2. Step 2: Convert to fraction form
    347,016.54/478,851.58 = 201,823.67/x
  3. Step 3: Cross multiply
    347,016.54x = 478,851.58 × 201,823.67
  4. Step 4: Simplify right side
    347,016.54x = 96,643,583,260.90
  5. Step 5: Solve for x
    x = 96,643,583,260.90/347,016.54
  6. Step 6: Final answer
    x = 278,498.49

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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.