Home / 281,320.48-421,689.12-175,897.36

Finding the Fourth Proportional to 281,320.48, 421,689.12 and 175,897.36

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Solution

The fourth proportional to 281,320.48, 421,689.12 and 175,897.36 is: 263,663.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,320.48 : 421,689.12 = 175,897.36 : x
  2. Step 2: Convert to fraction form
    281,320.48/421,689.12 = 175,897.36/x
  3. Step 3: Cross multiply
    281,320.48x = 421,689.12 × 175,897.36
  4. Step 4: Simplify right side
    281,320.48x = 74,174,002,948.72
  5. Step 5: Solve for x
    x = 74,174,002,948.72/281,320.48
  6. Step 6: Final answer
    x = 263,663.72

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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.