Home / 219,021-302,385.80-167,935.53

Finding the Fourth Proportional to 219,021, 302,385.80 and 167,935.53

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Solution

The fourth proportional to 219,021, 302,385.80 and 167,935.53 is: 231,855.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,021 : 302,385.80 = 167,935.53 : x
  2. Step 2: Convert to fraction form
    219,021/302,385.80 = 167,935.53/x
  3. Step 3: Cross multiply
    219,021x = 302,385.80 × 167,935.53
  4. Step 4: Simplify right side
    219,021x = 50,781,319,587.47
  5. Step 5: Solve for x
    x = 50,781,319,587.47/219,021
  6. Step 6: Final answer
    x = 231,855.94

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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.