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Finding the Fourth Proportional to 288,776.34, 433,448.82 and 183,669.12

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Solution

The fourth proportional to 288,776.34, 433,448.82 and 183,669.12 is: 275,684.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,776.34 : 433,448.82 = 183,669.12 : x
  2. Step 2: Convert to fraction form
    288,776.34/433,448.82 = 183,669.12/x
  3. Step 3: Cross multiply
    288,776.34x = 433,448.82 × 183,669.12
  4. Step 4: Simplify right side
    288,776.34x = 79,611,163,334.44
  5. Step 5: Solve for x
    x = 79,611,163,334.44/288,776.34
  6. Step 6: Final answer
    x = 275,684.51

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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.