Home / 228,103.22-342,132.84-70,289.30

Finding the Fourth Proportional to 228,103.22, 342,132.84 and 70,289.30

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Solution

The fourth proportional to 228,103.22, 342,132.84 and 70,289.30 is: 105,427.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,103.22 : 342,132.84 = 70,289.30 : x
  2. Step 2: Convert to fraction form
    228,103.22/342,132.84 = 70,289.30/x
  3. Step 3: Cross multiply
    228,103.22x = 342,132.84 × 70,289.30
  4. Step 4: Simplify right side
    228,103.22x = 24,048,277,830.61
  5. Step 5: Solve for x
    x = 24,048,277,830.61/228,103.22
  6. Step 6: Final answer
    x = 105,427.17

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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.