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Finding the Fourth Proportional to 436,191, 601,953.30 and 266,518.68

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Solution

The fourth proportional to 436,191, 601,953.30 and 266,518.68 is: 367,801.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,191 : 601,953.30 = 266,518.68 : x
  2. Step 2: Convert to fraction form
    436,191/601,953.30 = 266,518.68/x
  3. Step 3: Cross multiply
    436,191x = 601,953.30 × 266,518.68
  4. Step 4: Simplify right side
    436,191x = 160,431,798,937.64
  5. Step 5: Solve for x
    x = 160,431,798,937.64/436,191
  6. Step 6: Final answer
    x = 367,801.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.