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Finding the Fourth Proportional to 270,779.82, 406,403.01 and 130,656.30

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Solution

The fourth proportional to 270,779.82, 406,403.01 and 130,656.30 is: 196,097.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,779.82 : 406,403.01 = 130,656.30 : x
  2. Step 2: Convert to fraction form
    270,779.82/406,403.01 = 130,656.30/x
  3. Step 3: Cross multiply
    270,779.82x = 406,403.01 × 130,656.30
  4. Step 4: Simplify right side
    270,779.82x = 53,099,113,595.46
  5. Step 5: Solve for x
    x = 53,099,113,595.46/270,779.82
  6. Step 6: Final answer
    x = 196,097.01

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1.5x scale

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.