Home / 299,748.12-413,647.56-163,779.16

Finding the Fourth Proportional to 299,748.12, 413,647.56 and 163,779.16

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Solution

The fourth proportional to 299,748.12, 413,647.56 and 163,779.16 is: 226,012.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,748.12 : 413,647.56 = 163,779.16 : x
  2. Step 2: Convert to fraction form
    299,748.12/413,647.56 = 163,779.16/x
  3. Step 3: Cross multiply
    299,748.12x = 413,647.56 × 163,779.16
  4. Step 4: Simplify right side
    299,748.12x = 67,746,849,912.85
  5. Step 5: Solve for x
    x = 67,746,849,912.85/299,748.12
  6. Step 6: Final answer
    x = 226,012.59

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1.5x scale

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.