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Finding the Fourth Proportional to 649,999.42, 975,108.05 and 223,518.01

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Solution

The fourth proportional to 649,999.42, 975,108.05 and 223,518.01 is: 335,314.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,999.42 : 975,108.05 = 223,518.01 : x
  2. Step 2: Convert to fraction form
    649,999.42/975,108.05 = 223,518.01/x
  3. Step 3: Cross multiply
    649,999.42x = 975,108.05 × 223,518.01
  4. Step 4: Simplify right side
    649,999.42x = 217,954,210,870.98
  5. Step 5: Solve for x
    x = 217,954,210,870.98/649,999.42
  6. Step 6: Final answer
    x = 335,314.47

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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.