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Finding the Fourth Proportional to 358,633.60, 537,950.40 and 122,243.20

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Solution

The fourth proportional to 358,633.60, 537,950.40 and 122,243.20 is: 183,364.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,633.60 : 537,950.40 = 122,243.20 : x
  2. Step 2: Convert to fraction form
    358,633.60/537,950.40 = 122,243.20/x
  3. Step 3: Cross multiply
    358,633.60x = 537,950.40 × 122,243.20
  4. Step 4: Simplify right side
    358,633.60x = 65,760,778,337.28
  5. Step 5: Solve for x
    x = 65,760,778,337.28/358,633.60
  6. Step 6: Final answer
    x = 183,364.80

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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.