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Finding the Fourth Proportional to 357,029.11, 535,545.50 and 120,373.84

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Solution

The fourth proportional to 357,029.11, 535,545.50 and 120,373.84 is: 180,561.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,029.11 : 535,545.50 = 120,373.84 : x
  2. Step 2: Convert to fraction form
    357,029.11/535,545.50 = 120,373.84/x
  3. Step 3: Cross multiply
    357,029.11x = 535,545.50 × 120,373.84
  4. Step 4: Simplify right side
    357,029.11x = 64,465,668,329.72
  5. Step 5: Solve for x
    x = 64,465,668,329.72/357,029.11
  6. Step 6: Final answer
    x = 180,561.38

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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.