Home / 281,054.74-421,867.10-249,238.00

Finding the Fourth Proportional to 281,054.74, 421,867.10 and 249,238.00

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Solution

The fourth proportional to 281,054.74, 421,867.10 and 249,238.00 is: 374,109.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,054.74 : 421,867.10 = 249,238.00 : x
  2. Step 2: Convert to fraction form
    281,054.74/421,867.10 = 249,238.00/x
  3. Step 3: Cross multiply
    281,054.74x = 421,867.10 × 249,238.00
  4. Step 4: Simplify right side
    281,054.74x = 105,145,308,914.28
  5. Step 5: Solve for x
    x = 105,145,308,914.28/281,054.74
  6. Step 6: Final answer
    x = 374,109.72

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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.