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Finding the Fourth Proportional to 374,682.80, 562,024.20 and 121,987.10

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Solution

The fourth proportional to 374,682.80, 562,024.20 and 121,987.10 is: 182,980.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,682.80 : 562,024.20 = 121,987.10 : x
  2. Step 2: Convert to fraction form
    374,682.80/562,024.20 = 121,987.10/x
  3. Step 3: Cross multiply
    374,682.80x = 562,024.20 × 121,987.10
  4. Step 4: Simplify right side
    374,682.80x = 68,559,702,287.82
  5. Step 5: Solve for x
    x = 68,559,702,287.82/374,682.80
  6. Step 6: Final answer
    x = 182,980.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.