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Finding the Fourth Proportional to 340,563.96, 510,058.62 and 328,754.16

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Solution

The fourth proportional to 340,563.96, 510,058.62 and 328,754.16 is: 492,371.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,563.96 : 510,058.62 = 328,754.16 : x
  2. Step 2: Convert to fraction form
    340,563.96/510,058.62 = 328,754.16/x
  3. Step 3: Cross multiply
    340,563.96x = 510,058.62 × 328,754.16
  4. Step 4: Simplify right side
    340,563.96x = 167,683,893,168.86
  5. Step 5: Solve for x
    x = 167,683,893,168.86/340,563.96
  6. Step 6: Final answer
    x = 492,371.22

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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.