Home / 400,397.36-552,548.25-219,109.23

Finding the Fourth Proportional to 400,397.36, 552,548.25 and 219,109.23

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Solution

The fourth proportional to 400,397.36, 552,548.25 and 219,109.23 is: 302,370.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,397.36 : 552,548.25 = 219,109.23 : x
  2. Step 2: Convert to fraction form
    400,397.36/552,548.25 = 219,109.23/x
  3. Step 3: Cross multiply
    400,397.36x = 552,548.25 × 219,109.23
  4. Step 4: Simplify right side
    400,397.36x = 121,068,421,595.35
  5. Step 5: Solve for x
    x = 121,068,421,595.35/400,397.36
  6. Step 6: Final answer
    x = 302,370.68

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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.