Home / 313,837.02-472,463.20-285,936.30

Finding the Fourth Proportional to 313,837.02, 472,463.20 and 285,936.30

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Solution

The fourth proportional to 313,837.02, 472,463.20 and 285,936.30 is: 430,460.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,837.02 : 472,463.20 = 285,936.30 : x
  2. Step 2: Convert to fraction form
    313,837.02/472,463.20 = 285,936.30/x
  3. Step 3: Cross multiply
    313,837.02x = 472,463.20 × 285,936.30
  4. Step 4: Simplify right side
    313,837.02x = 135,094,379,294.16
  5. Step 5: Solve for x
    x = 135,094,379,294.16/313,837.02
  6. Step 6: Final answer
    x = 430,460.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.