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Finding the Fourth Proportional to 373,460.68, 515,373.37 and 212,315.77

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Solution

The fourth proportional to 373,460.68, 515,373.37 and 212,315.77 is: 292,994.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,460.68 : 515,373.37 = 212,315.77 : x
  2. Step 2: Convert to fraction form
    373,460.68/515,373.37 = 212,315.77/x
  3. Step 3: Cross multiply
    373,460.68x = 515,373.37 × 212,315.77
  4. Step 4: Simplify right side
    373,460.68x = 109,421,893,889.05
  5. Step 5: Solve for x
    x = 109,421,893,889.05/373,460.68
  6. Step 6: Final answer
    x = 292,994.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.