Home / 292,136.31-437,051.49-221,263.15

Finding the Fourth Proportional to 292,136.31, 437,051.49 and 221,263.15

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Solution

The fourth proportional to 292,136.31, 437,051.49 and 221,263.15 is: 331,021.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,136.31 : 437,051.49 = 221,263.15 : x
  2. Step 2: Convert to fraction form
    292,136.31/437,051.49 = 221,263.15/x
  3. Step 3: Cross multiply
    292,136.31x = 437,051.49 × 221,263.15
  4. Step 4: Simplify right side
    292,136.31x = 96,703,389,389.59
  5. Step 5: Solve for x
    x = 96,703,389,389.59/292,136.31
  6. Step 6: Final answer
    x = 331,021.47

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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.