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Finding the Fourth Proportional to 497,164.02, 686,066.99 and 303,895.32

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Solution

The fourth proportional to 497,164.02, 686,066.99 and 303,895.32 is: 419,363.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,164.02 : 686,066.99 = 303,895.32 : x
  2. Step 2: Convert to fraction form
    497,164.02/686,066.99 = 303,895.32/x
  3. Step 3: Cross multiply
    497,164.02x = 686,066.99 × 303,895.32
  4. Step 4: Simplify right side
    497,164.02x = 208,492,547,467.49
  5. Step 5: Solve for x
    x = 208,492,547,467.49/497,164.02
  6. Step 6: Final answer
    x = 419,363.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.