Home / 283,904.31-424,970.73-209,108.91

Finding the Fourth Proportional to 283,904.31, 424,970.73 and 209,108.91

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Solution

The fourth proportional to 283,904.31, 424,970.73 and 209,108.91 is: 313,010.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,904.31 : 424,970.73 = 209,108.91 : x
  2. Step 2: Convert to fraction form
    283,904.31/424,970.73 = 209,108.91/x
  3. Step 3: Cross multiply
    283,904.31x = 424,970.73 × 209,108.91
  4. Step 4: Simplify right side
    283,904.31x = 88,865,166,132.20
  5. Step 5: Solve for x
    x = 88,865,166,132.20/283,904.31
  6. Step 6: Final answer
    x = 313,010.98

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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.