Home / 286,875.26-429,919.23-181,505.60

Finding the Fourth Proportional to 286,875.26, 429,919.23 and 181,505.60

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Solution

The fourth proportional to 286,875.26, 429,919.23 and 181,505.60 is: 272,009.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,875.26 : 429,919.23 = 181,505.60 : x
  2. Step 2: Convert to fraction form
    286,875.26/429,919.23 = 181,505.60/x
  3. Step 3: Cross multiply
    286,875.26x = 429,919.23 × 181,505.60
  4. Step 4: Simplify right side
    286,875.26x = 78,032,748,867.49
  5. Step 5: Solve for x
    x = 78,032,748,867.49/286,875.26
  6. Step 6: Final answer
    x = 272,009.33

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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.