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Finding the Fourth Proportional to 286,805.00, 429,729.10 and 202,426.90

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Solution

The fourth proportional to 286,805.00, 429,729.10 and 202,426.90 is: 303,302.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,805.00 : 429,729.10 = 202,426.90 : x
  2. Step 2: Convert to fraction form
    286,805.00/429,729.10 = 202,426.90/x
  3. Step 3: Cross multiply
    286,805.00x = 429,729.10 × 202,426.90
  4. Step 4: Simplify right side
    286,805.00x = 86,988,727,972.40
  5. Step 5: Solve for x
    x = 86,988,727,972.40/286,805.00
  6. Step 6: Final answer
    x = 303,302.69

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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.