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Finding the Fourth Proportional to 434,349.77, 650,637.70 and 223,544.84

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Solution

The fourth proportional to 434,349.77, 650,637.70 and 223,544.84 is: 334,860.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,349.77 : 650,637.70 = 223,544.84 : x
  2. Step 2: Convert to fraction form
    434,349.77/650,637.70 = 223,544.84/x
  3. Step 3: Cross multiply
    434,349.77x = 650,637.70 × 223,544.84
  4. Step 4: Simplify right side
    434,349.77x = 145,446,696,732.42
  5. Step 5: Solve for x
    x = 145,446,696,732.42/434,349.77
  6. Step 6: Final answer
    x = 334,860.77

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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.