Home / 228,633.90-315,624.18-152,280.06

Finding the Fourth Proportional to 228,633.90, 315,624.18 and 152,280.06

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Solution

The fourth proportional to 228,633.90, 315,624.18 and 152,280.06 is: 210,219.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,633.90 : 315,624.18 = 152,280.06 : x
  2. Step 2: Convert to fraction form
    228,633.90/315,624.18 = 152,280.06/x
  3. Step 3: Cross multiply
    228,633.90x = 315,624.18 × 152,280.06
  4. Step 4: Simplify right side
    228,633.90x = 48,063,269,067.85
  5. Step 5: Solve for x
    x = 48,063,269,067.85/228,633.90
  6. Step 6: Final answer
    x = 210,219.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.