Home / 631,291.89-947,315.13-231,973.03

Finding the Fourth Proportional to 631,291.89, 947,315.13 and 231,973.03

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Solution

The fourth proportional to 631,291.89, 947,315.13 and 231,973.03 is: 348,098.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,291.89 : 947,315.13 = 231,973.03 : x
  2. Step 2: Convert to fraction form
    631,291.89/947,315.13 = 231,973.03/x
  3. Step 3: Cross multiply
    631,291.89x = 947,315.13 × 231,973.03
  4. Step 4: Simplify right side
    631,291.89x = 219,751,562,690.04
  5. Step 5: Solve for x
    x = 219,751,562,690.04/631,291.89
  6. Step 6: Final answer
    x = 348,098.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.