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Finding the Fourth Proportional to 464,131.13, 640,500.95 and 262,927.13

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Solution

The fourth proportional to 464,131.13, 640,500.95 and 262,927.13 is: 362,839.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,131.13 : 640,500.95 = 262,927.13 : x
  2. Step 2: Convert to fraction form
    464,131.13/640,500.95 = 262,927.13/x
  3. Step 3: Cross multiply
    464,131.13x = 640,500.95 × 262,927.13
  4. Step 4: Simplify right side
    464,131.13x = 168,405,074,000.59
  5. Step 5: Solve for x
    x = 168,405,074,000.59/464,131.13
  6. Step 6: Final answer
    x = 362,839.43

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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.