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Finding the Fourth Proportional to 369,280.60, 553,920.90 and 303,670.60

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Solution

The fourth proportional to 369,280.60, 553,920.90 and 303,670.60 is: 455,505.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,280.60 : 553,920.90 = 303,670.60 : x
  2. Step 2: Convert to fraction form
    369,280.60/553,920.90 = 303,670.60/x
  3. Step 3: Cross multiply
    369,280.60x = 553,920.90 × 303,670.60
  4. Step 4: Simplify right side
    369,280.60x = 168,209,492,055.54
  5. Step 5: Solve for x
    x = 168,209,492,055.54/369,280.60
  6. Step 6: Final answer
    x = 455,505.90

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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.