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Finding the Fourth Proportional to 463,467.79, 695,578.81 and 238,892.45

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Solution

The fourth proportional to 463,467.79, 695,578.81 and 238,892.45 is: 358,533.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,467.79 : 695,578.81 = 238,892.45 : x
  2. Step 2: Convert to fraction form
    463,467.79/695,578.81 = 238,892.45/x
  3. Step 3: Cross multiply
    463,467.79x = 695,578.81 × 238,892.45
  4. Step 4: Simplify right side
    463,467.79x = 166,168,528,360.40
  5. Step 5: Solve for x
    x = 166,168,528,360.40/463,467.79
  6. Step 6: Final answer
    x = 358,533.07

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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.