Home / 286,547.67-395,271.09-178,930.89

Finding the Fourth Proportional to 286,547.67, 395,271.09 and 178,930.89

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Solution

The fourth proportional to 286,547.67, 395,271.09 and 178,930.89 is: 246,821.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,547.67 : 395,271.09 = 178,930.89 : x
  2. Step 2: Convert to fraction form
    286,547.67/395,271.09 = 178,930.89/x
  3. Step 3: Cross multiply
    286,547.67x = 395,271.09 × 178,930.89
  4. Step 4: Simplify right side
    286,547.67x = 70,726,207,924.97
  5. Step 5: Solve for x
    x = 70,726,207,924.97/286,547.67
  6. Step 6: Final answer
    x = 246,821.79

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1.5x scale

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.