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Finding the Fourth Proportional to 286,514.69, 429,181.40 and 167,826.20

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Solution

The fourth proportional to 286,514.69, 429,181.40 and 167,826.20 is: 251,393.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,514.69 : 429,181.40 = 167,826.20 : x
  2. Step 2: Convert to fraction form
    286,514.69/429,181.40 = 167,826.20/x
  3. Step 3: Cross multiply
    286,514.69x = 429,181.40 × 167,826.20
  4. Step 4: Simplify right side
    286,514.69x = 72,027,881,746.34
  5. Step 5: Solve for x
    x = 72,027,881,746.34/286,514.69
  6. Step 6: Final answer
    x = 251,393.33

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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.