Home / 418,316.25-577,280.13-227,329.65

Finding the Fourth Proportional to 418,316.25, 577,280.13 and 227,329.65

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Solution

The fourth proportional to 418,316.25, 577,280.13 and 227,329.65 is: 313,716.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,316.25 : 577,280.13 = 227,329.65 : x
  2. Step 2: Convert to fraction form
    418,316.25/577,280.13 = 227,329.65/x
  3. Step 3: Cross multiply
    418,316.25x = 577,280.13 × 227,329.65
  4. Step 4: Simplify right side
    418,316.25x = 131,232,889,904.86
  5. Step 5: Solve for x
    x = 131,232,889,904.86/418,316.25
  6. Step 6: Final answer
    x = 313,716.93

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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.