Home / 340,243.56-469,455.84-286,001.91

Finding the Fourth Proportional to 340,243.56, 469,455.84 and 286,001.91

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Solution

The fourth proportional to 340,243.56, 469,455.84 and 286,001.91 is: 394,615.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,243.56 : 469,455.84 = 286,001.91 : x
  2. Step 2: Convert to fraction form
    340,243.56/469,455.84 = 286,001.91/x
  3. Step 3: Cross multiply
    340,243.56x = 469,455.84 × 286,001.91
  4. Step 4: Simplify right side
    340,243.56x = 134,265,266,900.65
  5. Step 5: Solve for x
    x = 134,265,266,900.65/340,243.56
  6. Step 6: Final answer
    x = 394,615.16

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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.