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Finding the Fourth Proportional to 286,759.90, 429,298.71 and 201,073.65

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Solution

The fourth proportional to 286,759.90, 429,298.71 and 201,073.65 is: 301,020.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,759.90 : 429,298.71 = 201,073.65 : x
  2. Step 2: Convert to fraction form
    286,759.90/429,298.71 = 201,073.65/x
  3. Step 3: Cross multiply
    286,759.90x = 429,298.71 × 201,073.65
  4. Step 4: Simplify right side
    286,759.90x = 86,320,658,559.99
  5. Step 5: Solve for x
    x = 86,320,658,559.99/286,759.90
  6. Step 6: Final answer
    x = 301,020.67

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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.