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Finding the Fourth Proportional to 368,429.84, 507,204.96 and 351,502.46

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Solution

The fourth proportional to 368,429.84, 507,204.96 and 351,502.46 is: 483,901.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,429.84 : 507,204.96 = 351,502.46 : x
  2. Step 2: Convert to fraction form
    368,429.84/507,204.96 = 351,502.46/x
  3. Step 3: Cross multiply
    368,429.84x = 507,204.96 × 351,502.46
  4. Step 4: Simplify right side
    368,429.84x = 178,283,791,164.20
  5. Step 5: Solve for x
    x = 178,283,791,164.20/368,429.84
  6. Step 6: Final answer
    x = 483,901.61

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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.