Home / 354,039.96-530,986.02-129,506.16

Finding the Fourth Proportional to 354,039.96, 530,986.02 and 129,506.16

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Solution

The fourth proportional to 354,039.96, 530,986.02 and 129,506.16 is: 194,232.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,039.96 : 530,986.02 = 129,506.16 : x
  2. Step 2: Convert to fraction form
    354,039.96/530,986.02 = 129,506.16/x
  3. Step 3: Cross multiply
    354,039.96x = 530,986.02 × 129,506.16
  4. Step 4: Simplify right side
    354,039.96x = 68,765,960,463.88
  5. Step 5: Solve for x
    x = 68,765,960,463.88/354,039.96
  6. Step 6: Final answer
    x = 194,232.20

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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.