Home / 228,220.10-342,362.55-70,432.10

Finding the Fourth Proportional to 228,220.10, 342,362.55 and 70,432.10

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Solution

The fourth proportional to 228,220.10, 342,362.55 and 70,432.10 is: 105,658.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,220.10 : 342,362.55 = 70,432.10 : x
  2. Step 2: Convert to fraction form
    228,220.10/342,362.55 = 70,432.10/x
  3. Step 3: Cross multiply
    228,220.10x = 342,362.55 × 70,432.10
  4. Step 4: Simplify right side
    228,220.10x = 24,113,313,357.86
  5. Step 5: Solve for x
    x = 24,113,313,357.86/228,220.10
  6. Step 6: Final answer
    x = 105,658.15

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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.