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Finding the Fourth Proportional to 649,790.57, 974,750.95 and 223,270.20

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Solution

The fourth proportional to 649,790.57, 974,750.95 and 223,270.20 is: 334,927.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,790.57 : 974,750.95 = 223,270.20 : x
  2. Step 2: Convert to fraction form
    649,790.57/974,750.95 = 223,270.20/x
  3. Step 3: Cross multiply
    649,790.57x = 974,750.95 × 223,270.20
  4. Step 4: Simplify right side
    649,790.57x = 217,632,839,835.78
  5. Step 5: Solve for x
    x = 217,632,839,835.78/649,790.57
  6. Step 6: Final answer
    x = 334,927.67

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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.