Home / 376,918.02-520,125-207,152.14

Finding the Fourth Proportional to 376,918.02, 520,125 and 207,152.14

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Solution

The fourth proportional to 376,918.02, 520,125 and 207,152.14 is: 285,857.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,918.02 : 520,125 = 207,152.14 : x
  2. Step 2: Convert to fraction form
    376,918.02/520,125 = 207,152.14/x
  3. Step 3: Cross multiply
    376,918.02x = 520,125 × 207,152.14
  4. Step 4: Simplify right side
    376,918.02x = 107,745,006,817.50
  5. Step 5: Solve for x
    x = 107,745,006,817.50/376,918.02
  6. Step 6: Final answer
    x = 285,857.93

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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.