Home / 273,899.30-410,848.95-86,929.70

Finding the Fourth Proportional to 273,899.30, 410,848.95 and 86,929.70

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Solution

The fourth proportional to 273,899.30, 410,848.95 and 86,929.70 is: 130,394.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,899.30 : 410,848.95 = 86,929.70 : x
  2. Step 2: Convert to fraction form
    273,899.30/410,848.95 = 86,929.70/x
  3. Step 3: Cross multiply
    273,899.30x = 410,848.95 × 86,929.70
  4. Step 4: Simplify right side
    273,899.30x = 35,714,975,968.82
  5. Step 5: Solve for x
    x = 35,714,975,968.82/273,899.30
  6. Step 6: Final answer
    x = 130,394.55

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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.