Home / 314,828.17-434,022.71-266,234.88

Finding the Fourth Proportional to 314,828.17, 434,022.71 and 266,234.88

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Solution

The fourth proportional to 314,828.17, 434,022.71 and 266,234.88 is: 367,031.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,828.17 : 434,022.71 = 266,234.88 : x
  2. Step 2: Convert to fraction form
    314,828.17/434,022.71 = 266,234.88/x
  3. Step 3: Cross multiply
    314,828.17x = 434,022.71 × 266,234.88
  4. Step 4: Simplify right side
    314,828.17x = 115,551,984,410.54
  5. Step 5: Solve for x
    x = 115,551,984,410.54/314,828.17
  6. Step 6: Final answer
    x = 367,031.91

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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.