Home / 228,205.80-342,357.30-70,450.20

Finding the Fourth Proportional to 228,205.80, 342,357.30 and 70,450.20

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Solution

The fourth proportional to 228,205.80, 342,357.30 and 70,450.20 is: 105,690.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,205.80 : 342,357.30 = 70,450.20 : x
  2. Step 2: Convert to fraction form
    228,205.80/342,357.30 = 70,450.20/x
  3. Step 3: Cross multiply
    228,205.80x = 342,357.30 × 70,450.20
  4. Step 4: Simplify right side
    228,205.80x = 24,119,140,256.46
  5. Step 5: Solve for x
    x = 24,119,140,256.46/228,205.80
  6. Step 6: Final answer
    x = 105,690.30

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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.