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Finding the Fourth Proportional to 245,205.28, 365,662.10 and 242,963.14

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Solution

The fourth proportional to 245,205.28, 365,662.10 and 242,963.14 is: 362,318.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,205.28 : 365,662.10 = 242,963.14 : x
  2. Step 2: Convert to fraction form
    245,205.28/365,662.10 = 242,963.14/x
  3. Step 3: Cross multiply
    245,205.28x = 365,662.10 × 242,963.14
  4. Step 4: Simplify right side
    245,205.28x = 88,842,411,994.99
  5. Step 5: Solve for x
    x = 88,842,411,994.99/245,205.28
  6. Step 6: Final answer
    x = 362,318.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.