Home / 213,911.35-294,968.11-180,290.32

Finding the Fourth Proportional to 213,911.35, 294,968.11 and 180,290.32

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Solution

The fourth proportional to 213,911.35, 294,968.11 and 180,290.32 is: 248,607.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,911.35 : 294,968.11 = 180,290.32 : x
  2. Step 2: Convert to fraction form
    213,911.35/294,968.11 = 180,290.32/x
  3. Step 3: Cross multiply
    213,911.35x = 294,968.11 × 180,290.32
  4. Step 4: Simplify right side
    213,911.35x = 53,179,895,243.72
  5. Step 5: Solve for x
    x = 53,179,895,243.72/213,911.35
  6. Step 6: Final answer
    x = 248,607.17

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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.