Home / 619,363.02-929,136.88-219,970.24

Finding the Fourth Proportional to 619,363.02, 929,136.88 and 219,970.24

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Solution

The fourth proportional to 619,363.02, 929,136.88 and 219,970.24 is: 329,988.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,363.02 : 929,136.88 = 219,970.24 : x
  2. Step 2: Convert to fraction form
    619,363.02/929,136.88 = 219,970.24/x
  3. Step 3: Cross multiply
    619,363.02x = 929,136.88 × 219,970.24
  4. Step 4: Simplify right side
    619,363.02x = 204,382,462,486.45
  5. Step 5: Solve for x
    x = 204,382,462,486.45/619,363.02
  6. Step 6: Final answer
    x = 329,988.16

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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.