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Finding the Fourth Proportional to 307,076.60, 460,299.20 and 117,492.45

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Solution

The fourth proportional to 307,076.60, 460,299.20 and 117,492.45 is: 176,117.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,076.60 : 460,299.20 = 117,492.45 : x
  2. Step 2: Convert to fraction form
    307,076.60/460,299.20 = 117,492.45/x
  3. Step 3: Cross multiply
    307,076.60x = 460,299.20 × 117,492.45
  4. Step 4: Simplify right side
    307,076.60x = 54,081,680,153.58
  5. Step 5: Solve for x
    x = 54,081,680,153.58/307,076.60
  6. Step 6: Final answer
    x = 176,117.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.