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Finding the Fourth Proportional to 910,236, 1,365,354 and 245,388

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Solution

The fourth proportional to 910,236, 1,365,354 and 245,388 is: 368,082

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,236 : 1,365,354 = 245,388 : x
  2. Step 2: Convert to fraction form
    910,236/1,365,354 = 245,388/x
  3. Step 3: Cross multiply
    910,236x = 1,365,354 × 245,388
  4. Step 4: Simplify right side
    910,236x = 335,041,487,352
  5. Step 5: Solve for x
    x = 335,041,487,352/910,236
  6. Step 6: Final answer
    x = 368,082

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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.