Home / 280,929.29-421,306.27-93,897.05

Finding the Fourth Proportional to 280,929.29, 421,306.27 and 93,897.05

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Solution

The fourth proportional to 280,929.29, 421,306.27 and 93,897.05 is: 140,816.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,929.29 : 421,306.27 = 93,897.05 : x
  2. Step 2: Convert to fraction form
    280,929.29/421,306.27 = 93,897.05/x
  3. Step 3: Cross multiply
    280,929.29x = 421,306.27 × 93,897.05
  4. Step 4: Simplify right side
    280,929.29x = 39,559,413,558.23
  5. Step 5: Solve for x
    x = 39,559,413,558.23/280,929.29
  6. Step 6: Final answer
    x = 140,816.27

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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.