Home / 283,329.22-390,875.02-187,669.84

Finding the Fourth Proportional to 283,329.22, 390,875.02 and 187,669.84

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Solution

The fourth proportional to 283,329.22, 390,875.02 and 187,669.84 is: 258,905.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,329.22 : 390,875.02 = 187,669.84 : x
  2. Step 2: Convert to fraction form
    283,329.22/390,875.02 = 187,669.84/x
  3. Step 3: Cross multiply
    283,329.22x = 390,875.02 × 187,669.84
  4. Step 4: Simplify right side
    283,329.22x = 73,355,452,463.40
  5. Step 5: Solve for x
    x = 73,355,452,463.40/283,329.22
  6. Step 6: Final answer
    x = 258,905.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.