Home / 631,901.16-947,851.80-211,177.02

Finding the Fourth Proportional to 631,901.16, 947,851.80 and 211,177.02

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Solution

The fourth proportional to 631,901.16, 947,851.80 and 211,177.02 is: 316,765.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,901.16 : 947,851.80 = 211,177.02 : x
  2. Step 2: Convert to fraction form
    631,901.16/947,851.80 = 211,177.02/x
  3. Step 3: Cross multiply
    631,901.16x = 947,851.80 × 211,177.02
  4. Step 4: Simplify right side
    631,901.16x = 200,164,518,525.64
  5. Step 5: Solve for x
    x = 200,164,518,525.64/631,901.16
  6. Step 6: Final answer
    x = 316,765.55

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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.