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Finding the Fourth Proportional to 440,411.50, 607,768.48 and 239,207.50

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Solution

The fourth proportional to 440,411.50, 607,768.48 and 239,207.50 is: 330,106.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,411.50 : 607,768.48 = 239,207.50 : x
  2. Step 2: Convert to fraction form
    440,411.50/607,768.48 = 239,207.50/x
  3. Step 3: Cross multiply
    440,411.50x = 607,768.48 × 239,207.50
  4. Step 4: Simplify right side
    440,411.50x = 145,382,778,679.60
  5. Step 5: Solve for x
    x = 145,382,778,679.60/440,411.50
  6. Step 6: Final answer
    x = 330,106.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.