Home / 228,291.20-342,462.40-70,518.40

Finding the Fourth Proportional to 228,291.20, 342,462.40 and 70,518.40

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Solution

The fourth proportional to 228,291.20, 342,462.40 and 70,518.40 is: 105,785.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,291.20 : 342,462.40 = 70,518.40 : x
  2. Step 2: Convert to fraction form
    228,291.20/342,462.40 = 70,518.40/x
  3. Step 3: Cross multiply
    228,291.20x = 342,462.40 × 70,518.40
  4. Step 4: Simplify right side
    228,291.20x = 24,149,900,508.16
  5. Step 5: Solve for x
    x = 24,149,900,508.16/228,291.20
  6. Step 6: Final answer
    x = 105,785.51

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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.