Home / 281,054.24-421,866.35-249,237.50

Finding the Fourth Proportional to 281,054.24, 421,866.35 and 249,237.50

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Solution

The fourth proportional to 281,054.24, 421,866.35 and 249,237.50 is: 374,108.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,054.24 : 421,866.35 = 249,237.50 : x
  2. Step 2: Convert to fraction form
    281,054.24/421,866.35 = 249,237.50/x
  3. Step 3: Cross multiply
    281,054.24x = 421,866.35 × 249,237.50
  4. Step 4: Simplify right side
    281,054.24x = 105,144,911,052.61
  5. Step 5: Solve for x
    x = 105,144,911,052.61/281,054.24
  6. Step 6: Final answer
    x = 374,108.97

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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.