Home / 316,185.72-474,303.28-91,549.50

Finding the Fourth Proportional to 316,185.72, 474,303.28 and 91,549.50

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Solution

The fourth proportional to 316,185.72, 474,303.28 and 91,549.50 is: 137,331.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,185.72 : 474,303.28 = 91,549.50 : x
  2. Step 2: Convert to fraction form
    316,185.72/474,303.28 = 91,549.50/x
  3. Step 3: Cross multiply
    316,185.72x = 474,303.28 × 91,549.50
  4. Step 4: Simplify right side
    316,185.72x = 43,422,228,132.36
  5. Step 5: Solve for x
    x = 43,422,228,132.36/316,185.72
  6. Step 6: Final answer
    x = 137,331.40

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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.