Home / 255,214.92-382,401.15-148,298.76

Finding the Fourth Proportional to 255,214.92, 382,401.15 and 148,298.76

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Solution

The fourth proportional to 255,214.92, 382,401.15 and 148,298.76 is: 222,203.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,214.92 : 382,401.15 = 148,298.76 : x
  2. Step 2: Convert to fraction form
    255,214.92/382,401.15 = 148,298.76/x
  3. Step 3: Cross multiply
    255,214.92x = 382,401.15 × 148,298.76
  4. Step 4: Simplify right side
    255,214.92x = 56,709,616,367.57
  5. Step 5: Solve for x
    x = 56,709,616,367.57/255,214.92
  6. Step 6: Final answer
    x = 222,203.37

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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.