Home / 347,050.68-478,981.32-219,738.12

Finding the Fourth Proportional to 347,050.68, 478,981.32 and 219,738.12

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Solution

The fourth proportional to 347,050.68, 478,981.32 and 219,738.12 is: 303,271.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,050.68 : 478,981.32 = 219,738.12 : x
  2. Step 2: Convert to fraction form
    347,050.68/478,981.32 = 219,738.12/x
  3. Step 3: Cross multiply
    347,050.68x = 478,981.32 × 219,738.12
  4. Step 4: Simplify right side
    347,050.68x = 105,250,454,771.92
  5. Step 5: Solve for x
    x = 105,250,454,771.92/347,050.68
  6. Step 6: Final answer
    x = 303,271.14

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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.