Home / 418,319.27-577,284.26-227,332.65

Finding the Fourth Proportional to 418,319.27, 577,284.26 and 227,332.65

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Solution

The fourth proportional to 418,319.27, 577,284.26 and 227,332.65 is: 313,721.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,319.27 : 577,284.26 = 227,332.65 : x
  2. Step 2: Convert to fraction form
    418,319.27/577,284.26 = 227,332.65/x
  3. Step 3: Cross multiply
    418,319.27x = 577,284.26 × 227,332.65
  4. Step 4: Simplify right side
    418,319.27x = 131,235,559,492.43
  5. Step 5: Solve for x
    x = 131,235,559,492.43/418,319.27
  6. Step 6: Final answer
    x = 313,721.05

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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.