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Finding the Fourth Proportional to 314,875.60, 472,313.40 and 188,904.40

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Solution

The fourth proportional to 314,875.60, 472,313.40 and 188,904.40 is: 283,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,875.60 : 472,313.40 = 188,904.40 : x
  2. Step 2: Convert to fraction form
    314,875.60/472,313.40 = 188,904.40/x
  3. Step 3: Cross multiply
    314,875.60x = 472,313.40 × 188,904.40
  4. Step 4: Simplify right side
    314,875.60x = 89,222,079,438.96
  5. Step 5: Solve for x
    x = 89,222,079,438.96/314,875.60
  6. Step 6: Final answer
    x = 283,356.60

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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.