Home / 345,246.45-517,228.16-187,607.49

Finding the Fourth Proportional to 345,246.45, 517,228.16 and 187,607.49

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Solution

The fourth proportional to 345,246.45, 517,228.16 and 187,607.49 is: 281,062.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,246.45 : 517,228.16 = 187,607.49 : x
  2. Step 2: Convert to fraction form
    345,246.45/517,228.16 = 187,607.49/x
  3. Step 3: Cross multiply
    345,246.45x = 517,228.16 × 187,607.49
  4. Step 4: Simplify right side
    345,246.45x = 97,035,875,916.88
  5. Step 5: Solve for x
    x = 97,035,875,916.88/345,246.45
  6. Step 6: Final answer
    x = 281,062.63

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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.