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Finding the Fourth Proportional to 302,065.60, 453,096.80 and 77,425.60

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Solution

The fourth proportional to 302,065.60, 453,096.80 and 77,425.60 is: 116,137.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,065.60 : 453,096.80 = 77,425.60 : x
  2. Step 2: Convert to fraction form
    302,065.60/453,096.80 = 77,425.60/x
  3. Step 3: Cross multiply
    302,065.60x = 453,096.80 × 77,425.60
  4. Step 4: Simplify right side
    302,065.60x = 35,081,291,598.08
  5. Step 5: Solve for x
    x = 35,081,291,598.08/302,065.60
  6. Step 6: Final answer
    x = 116,137.99

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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.