Home / 424,852.12-637,216.66-125,317.90

Finding the Fourth Proportional to 424,852.12, 637,216.66 and 125,317.90

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Solution

The fourth proportional to 424,852.12, 637,216.66 and 125,317.90 is: 187,958.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,852.12 : 637,216.66 = 125,317.90 : x
  2. Step 2: Convert to fraction form
    424,852.12/637,216.66 = 125,317.90/x
  3. Step 3: Cross multiply
    424,852.12x = 637,216.66 × 125,317.90
  4. Step 4: Simplify right side
    424,852.12x = 79,854,653,676.21
  5. Step 5: Solve for x
    x = 79,854,653,676.21/424,852.12
  6. Step 6: Final answer
    x = 187,958.70

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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.