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Finding the Fourth Proportional to 373,647.92, 515,645.50 and 212,526.16

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Solution

The fourth proportional to 373,647.92, 515,645.50 and 212,526.16 is: 293,292.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,647.92 : 515,645.50 = 212,526.16 : x
  2. Step 2: Convert to fraction form
    373,647.92/515,645.50 = 212,526.16/x
  3. Step 3: Cross multiply
    373,647.92x = 515,645.50 × 212,526.16
  4. Step 4: Simplify right side
    373,647.92x = 109,588,158,036.28
  5. Step 5: Solve for x
    x = 109,588,158,036.28/373,647.92
  6. Step 6: Final answer
    x = 293,292.57

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1.5x scale

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.