Home / 228,428.26-342,686.10-70,628.92

Finding the Fourth Proportional to 228,428.26, 342,686.10 and 70,628.92

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Solution

The fourth proportional to 228,428.26, 342,686.10 and 70,628.92 is: 105,956.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,428.26 : 342,686.10 = 70,628.92 : x
  2. Step 2: Convert to fraction form
    228,428.26/342,686.10 = 70,628.92/x
  3. Step 3: Cross multiply
    228,428.26x = 342,686.10 × 70,628.92
  4. Step 4: Simplify right side
    228,428.26x = 24,203,549,142.01
  5. Step 5: Solve for x
    x = 24,203,549,142.01/228,428.26
  6. Step 6: Final answer
    x = 105,956.89

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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.