Home / 330,444.90-456,686.10-249,846.66

Finding the Fourth Proportional to 330,444.90, 456,686.10 and 249,846.66

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Solution

The fourth proportional to 330,444.90, 456,686.10 and 249,846.66 is: 345,296.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,444.90 : 456,686.10 = 249,846.66 : x
  2. Step 2: Convert to fraction form
    330,444.90/456,686.10 = 249,846.66/x
  3. Step 3: Cross multiply
    330,444.90x = 456,686.10 × 249,846.66
  4. Step 4: Simplify right side
    330,444.90x = 114,101,496,753.43
  5. Step 5: Solve for x
    x = 114,101,496,753.43/330,444.90
  6. Step 6: Final answer
    x = 345,296.59

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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.