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Finding the Fourth Proportional to 303,439.80, 455,159.70 and 93,050.40

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Solution

The fourth proportional to 303,439.80, 455,159.70 and 93,050.40 is: 139,575.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,439.80 : 455,159.70 = 93,050.40 : x
  2. Step 2: Convert to fraction form
    303,439.80/455,159.70 = 93,050.40/x
  3. Step 3: Cross multiply
    303,439.80x = 455,159.70 × 93,050.40
  4. Step 4: Simplify right side
    303,439.80x = 42,352,792,148.88
  5. Step 5: Solve for x
    x = 42,352,792,148.88/303,439.80
  6. Step 6: Final answer
    x = 139,575.60

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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.