Home / 286,742.67-429,845.32-97,070.37

Finding the Fourth Proportional to 286,742.67, 429,845.32 and 97,070.37

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Solution

The fourth proportional to 286,742.67, 429,845.32 and 97,070.37 is: 145,514.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,742.67 : 429,845.32 = 97,070.37 : x
  2. Step 2: Convert to fraction form
    286,742.67/429,845.32 = 97,070.37/x
  3. Step 3: Cross multiply
    286,742.67x = 429,845.32 × 97,070.37
  4. Step 4: Simplify right side
    286,742.67x = 41,725,244,255.17
  5. Step 5: Solve for x
    x = 41,725,244,255.17/286,742.67
  6. Step 6: Final answer
    x = 145,514.60

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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.