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Finding the Fourth Proportional to 301,587.50, 451,692.02 and 143,926.67

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Solution

The fourth proportional to 301,587.50, 451,692.02 and 143,926.67 is: 215,561.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,587.50 : 451,692.02 = 143,926.67 : x
  2. Step 2: Convert to fraction form
    301,587.50/451,692.02 = 143,926.67/x
  3. Step 3: Cross multiply
    301,587.50x = 451,692.02 × 143,926.67
  4. Step 4: Simplify right side
    301,587.50x = 65,010,525,326.08
  5. Step 5: Solve for x
    x = 65,010,525,326.08/301,587.50
  6. Step 6: Final answer
    x = 215,561.08

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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.