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Finding the Fourth Proportional to 340,564.96, 510,060.12 and 328,755.16

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Solution

The fourth proportional to 340,564.96, 510,060.12 and 328,755.16 is: 492,372.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,564.96 : 510,060.12 = 328,755.16 : x
  2. Step 2: Convert to fraction form
    340,564.96/510,060.12 = 328,755.16/x
  3. Step 3: Cross multiply
    340,564.96x = 510,060.12 × 328,755.16
  4. Step 4: Simplify right side
    340,564.96x = 167,684,896,360.22
  5. Step 5: Solve for x
    x = 167,684,896,360.22/340,564.96
  6. Step 6: Final answer
    x = 492,372.72

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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.