Home / 286,260.08-429,457.55-86,582.12

Finding the Fourth Proportional to 286,260.08, 429,457.55 and 86,582.12

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Solution

The fourth proportional to 286,260.08, 429,457.55 and 86,582.12 is: 129,893.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,260.08 : 429,457.55 = 86,582.12 : x
  2. Step 2: Convert to fraction form
    286,260.08/429,457.55 = 86,582.12/x
  3. Step 3: Cross multiply
    286,260.08x = 429,457.55 × 86,582.12
  4. Step 4: Simplify right side
    286,260.08x = 37,183,342,548.81
  5. Step 5: Solve for x
    x = 37,183,342,548.81/286,260.08
  6. Step 6: Final answer
    x = 129,893.57

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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.