Home / 353,283.09-530,099.90-140,046.49

Finding the Fourth Proportional to 353,283.09, 530,099.90 and 140,046.49

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Solution

The fourth proportional to 353,283.09, 530,099.90 and 140,046.49 is: 210,139.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,283.09 : 530,099.90 = 140,046.49 : x
  2. Step 2: Convert to fraction form
    353,283.09/530,099.90 = 140,046.49/x
  3. Step 3: Cross multiply
    353,283.09x = 530,099.90 × 140,046.49
  4. Step 4: Simplify right side
    353,283.09x = 74,238,630,344.35
  5. Step 5: Solve for x
    x = 74,238,630,344.35/353,283.09
  6. Step 6: Final answer
    x = 210,139.21

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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.