Home / 199,256.40-298,884.60-159,890.40

Finding the Fourth Proportional to 199,256.40, 298,884.60 and 159,890.40

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Solution

The fourth proportional to 199,256.40, 298,884.60 and 159,890.40 is: 239,835.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,256.40 : 298,884.60 = 159,890.40 : x
  2. Step 2: Convert to fraction form
    199,256.40/298,884.60 = 159,890.40/x
  3. Step 3: Cross multiply
    199,256.40x = 298,884.60 × 159,890.40
  4. Step 4: Simplify right side
    199,256.40x = 47,788,778,247.84
  5. Step 5: Solve for x
    x = 47,788,778,247.84/199,256.40
  6. Step 6: Final answer
    x = 239,835.60

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1.5x scale

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.