Home / 345,617.66-476,905.28-192,637.69

Finding the Fourth Proportional to 345,617.66, 476,905.28 and 192,637.69

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Solution

The fourth proportional to 345,617.66, 476,905.28 and 192,637.69 is: 265,813.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,617.66 : 476,905.28 = 192,637.69 : x
  2. Step 2: Convert to fraction form
    345,617.66/476,905.28 = 192,637.69/x
  3. Step 3: Cross multiply
    345,617.66x = 476,905.28 × 192,637.69
  4. Step 4: Simplify right side
    345,617.66x = 91,869,931,488.00
  5. Step 5: Solve for x
    x = 91,869,931,488.00/345,617.66
  6. Step 6: Final answer
    x = 265,813.77

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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.