Home / 228,639.34-315,417.42-148,092.76

Finding the Fourth Proportional to 228,639.34, 315,417.42 and 148,092.76

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Solution

The fourth proportional to 228,639.34, 315,417.42 and 148,092.76 is: 204,300.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,639.34 : 315,417.42 = 148,092.76 : x
  2. Step 2: Convert to fraction form
    228,639.34/315,417.42 = 148,092.76/x
  3. Step 3: Cross multiply
    228,639.34x = 315,417.42 × 148,092.76
  4. Step 4: Simplify right side
    228,639.34x = 46,711,036,279.88
  5. Step 5: Solve for x
    x = 46,711,036,279.88/228,639.34
  6. Step 6: Final answer
    x = 204,300.08

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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.