Home / 376,086.96-563,835.08-257,398.47

Finding the Fourth Proportional to 376,086.96, 563,835.08 and 257,398.47

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Solution

The fourth proportional to 376,086.96, 563,835.08 and 257,398.47 is: 385,895.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,086.96 : 563,835.08 = 257,398.47 : x
  2. Step 2: Convert to fraction form
    376,086.96/563,835.08 = 257,398.47/x
  3. Step 3: Cross multiply
    376,086.96x = 563,835.08 × 257,398.47
  4. Step 4: Simplify right side
    376,086.96x = 145,130,285,637.34
  5. Step 5: Solve for x
    x = 145,130,285,637.34/376,086.96
  6. Step 6: Final answer
    x = 385,895.55

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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.