Home / 292,899.15-439,348.73-105,866.91

Finding the Fourth Proportional to 292,899.15, 439,348.73 and 105,866.91

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Solution

The fourth proportional to 292,899.15, 439,348.73 and 105,866.91 is: 158,800.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,899.15 : 439,348.73 = 105,866.91 : x
  2. Step 2: Convert to fraction form
    292,899.15/439,348.73 = 105,866.91/x
  3. Step 3: Cross multiply
    292,899.15x = 439,348.73 × 105,866.91
  4. Step 4: Simplify right side
    292,899.15x = 46,512,491,928.19
  5. Step 5: Solve for x
    x = 46,512,491,928.19/292,899.15
  6. Step 6: Final answer
    x = 158,800.37

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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.