Home / 228,000.41-342,037.37-70,228.79

Finding the Fourth Proportional to 228,000.41, 342,037.37 and 70,228.79

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Solution

The fourth proportional to 228,000.41, 342,037.37 and 70,228.79 is: 105,354.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,000.41 : 342,037.37 = 70,228.79 : x
  2. Step 2: Convert to fraction form
    228,000.41/342,037.37 = 70,228.79/x
  3. Step 3: Cross multiply
    228,000.41x = 342,037.37 × 70,228.79
  4. Step 4: Simplify right side
    228,000.41x = 24,020,870,278.74
  5. Step 5: Solve for x
    x = 24,020,870,278.74/228,000.41
  6. Step 6: Final answer
    x = 105,354.50

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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.