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Finding the Fourth Proportional to 553,707, 830,699.22 and 159,723

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Solution

The fourth proportional to 553,707, 830,699.22 and 159,723 is: 239,624.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,707 : 830,699.22 = 159,723 : x
  2. Step 2: Convert to fraction form
    553,707/830,699.22 = 159,723/x
  3. Step 3: Cross multiply
    553,707x = 830,699.22 × 159,723
  4. Step 4: Simplify right side
    553,707x = 132,681,771,516.06
  5. Step 5: Solve for x
    x = 132,681,771,516.06/553,707
  6. Step 6: Final answer
    x = 239,624.52

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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.