Home / 418,341.90-577,320.34-227,367.58

Finding the Fourth Proportional to 418,341.90, 577,320.34 and 227,367.58

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Solution

The fourth proportional to 418,341.90, 577,320.34 and 227,367.58 is: 313,771.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,341.90 : 577,320.34 = 227,367.58 : x
  2. Step 2: Convert to fraction form
    418,341.90/577,320.34 = 227,367.58/x
  3. Step 3: Cross multiply
    418,341.90x = 577,320.34 × 227,367.58
  4. Step 4: Simplify right side
    418,341.90x = 131,263,928,590.58
  5. Step 5: Solve for x
    x = 131,263,928,590.58/418,341.90
  6. Step 6: Final answer
    x = 313,771.89

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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.