Home / 286,540.93-429,901.41-118,140.51

Finding the Fourth Proportional to 286,540.93, 429,901.41 and 118,140.51

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Solution

The fourth proportional to 286,540.93, 429,901.41 and 118,140.51 is: 177,247.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,540.93 : 429,901.41 = 118,140.51 : x
  2. Step 2: Convert to fraction form
    286,540.93/429,901.41 = 118,140.51/x
  3. Step 3: Cross multiply
    286,540.93x = 429,901.41 × 118,140.51
  4. Step 4: Simplify right side
    286,540.93x = 50,788,771,827.12
  5. Step 5: Solve for x
    x = 50,788,771,827.12/286,540.93
  6. Step 6: Final answer
    x = 177,247.88

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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.