Home / 297,985.10-446,967.74-129,505.59

Finding the Fourth Proportional to 297,985.10, 446,967.74 and 129,505.59

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Solution

The fourth proportional to 297,985.10, 446,967.74 and 129,505.59 is: 194,254.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,985.10 : 446,967.74 = 129,505.59 : x
  2. Step 2: Convert to fraction form
    297,985.10/446,967.74 = 129,505.59/x
  3. Step 3: Cross multiply
    297,985.10x = 446,967.74 × 129,505.59
  4. Step 4: Simplify right side
    297,985.10x = 57,884,820,879.67
  5. Step 5: Solve for x
    x = 57,884,820,879.67/297,985.10
  6. Step 6: Final answer
    x = 194,254.08

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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.