Home / 347,019.36-520,522.56-110,378.40

Finding the Fourth Proportional to 347,019.36, 520,522.56 and 110,378.40

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Solution

The fourth proportional to 347,019.36, 520,522.56 and 110,378.40 is: 165,565.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,019.36 : 520,522.56 = 110,378.40 : x
  2. Step 2: Convert to fraction form
    347,019.36/520,522.56 = 110,378.40/x
  3. Step 3: Cross multiply
    347,019.36x = 520,522.56 × 110,378.40
  4. Step 4: Simplify right side
    347,019.36x = 57,454,447,336.70
  5. Step 5: Solve for x
    x = 57,454,447,336.70/347,019.36
  6. Step 6: Final answer
    x = 165,565.54

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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.