Home / 228,102.22-342,131.34-70,288.30

Finding the Fourth Proportional to 228,102.22, 342,131.34 and 70,288.30

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Solution

The fourth proportional to 228,102.22, 342,131.34 and 70,288.30 is: 105,425.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,102.22 : 342,131.34 = 70,288.30 : x
  2. Step 2: Convert to fraction form
    228,102.22/342,131.34 = 70,288.30/x
  3. Step 3: Cross multiply
    228,102.22x = 342,131.34 × 70,288.30
  4. Step 4: Simplify right side
    228,102.22x = 24,047,830,265.32
  5. Step 5: Solve for x
    x = 24,047,830,265.32/228,102.22
  6. Step 6: Final answer
    x = 105,425.67

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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.