Home / 331,437.40-497,156.10-205,466.20

Finding the Fourth Proportional to 331,437.40, 497,156.10 and 205,466.20

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Solution

The fourth proportional to 331,437.40, 497,156.10 and 205,466.20 is: 308,199.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,437.40 : 497,156.10 = 205,466.20 : x
  2. Step 2: Convert to fraction form
    331,437.40/497,156.10 = 205,466.20/x
  3. Step 3: Cross multiply
    331,437.40x = 497,156.10 × 205,466.20
  4. Step 4: Simplify right side
    331,437.40x = 102,148,774,673.82
  5. Step 5: Solve for x
    x = 102,148,774,673.82/331,437.40
  6. Step 6: Final answer
    x = 308,199.30

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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.