Home / 286,808.34-395,779.25-159,481.20

Finding the Fourth Proportional to 286,808.34, 395,779.25 and 159,481.20

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Solution

The fourth proportional to 286,808.34, 395,779.25 and 159,481.20 is: 220,075.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,808.34 : 395,779.25 = 159,481.20 : x
  2. Step 2: Convert to fraction form
    286,808.34/395,779.25 = 159,481.20/x
  3. Step 3: Cross multiply
    286,808.34x = 395,779.25 × 159,481.20
  4. Step 4: Simplify right side
    286,808.34x = 63,119,349,725.10
  5. Step 5: Solve for x
    x = 63,119,349,725.10/286,808.34
  6. Step 6: Final answer
    x = 220,075.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.