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Finding the Fourth Proportional to 310,030.20, 465,045.30 and 197,837.10

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Solution

The fourth proportional to 310,030.20, 465,045.30 and 197,837.10 is: 296,755.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,030.20 : 465,045.30 = 197,837.10 : x
  2. Step 2: Convert to fraction form
    310,030.20/465,045.30 = 197,837.10/x
  3. Step 3: Cross multiply
    310,030.20x = 465,045.30 × 197,837.10
  4. Step 4: Simplify right side
    310,030.20x = 92,003,213,520.63
  5. Step 5: Solve for x
    x = 92,003,213,520.63/310,030.20
  6. Step 6: Final answer
    x = 296,755.65

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1.5x scale

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.