Home / 228,547.10-315,412.92-131,782.07

Finding the Fourth Proportional to 228,547.10, 315,412.92 and 131,782.07

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Solution

The fourth proportional to 228,547.10, 315,412.92 and 131,782.07 is: 181,869.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,547.10 : 315,412.92 = 131,782.07 : x
  2. Step 2: Convert to fraction form
    228,547.10/315,412.92 = 131,782.07/x
  3. Step 3: Cross multiply
    228,547.10x = 315,412.92 × 131,782.07
  4. Step 4: Simplify right side
    228,547.10x = 41,565,768,290.88
  5. Step 5: Solve for x
    x = 41,565,768,290.88/228,547.10
  6. Step 6: Final answer
    x = 181,869.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.