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Finding the Fourth Proportional to 504,137.90, 695,242.70 and 367,956.11

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Solution

The fourth proportional to 504,137.90, 695,242.70 and 367,956.11 is: 507,438.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,137.90 : 695,242.70 = 367,956.11 : x
  2. Step 2: Convert to fraction form
    504,137.90/695,242.70 = 367,956.11/x
  3. Step 3: Cross multiply
    504,137.90x = 695,242.70 × 367,956.11
  4. Step 4: Simplify right side
    504,137.90x = 255,818,799,397.90
  5. Step 5: Solve for x
    x = 255,818,799,397.90/504,137.90
  6. Step 6: Final answer
    x = 507,438.14

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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.