Home / 380,412.48-524,968.42-219,266.44

Finding the Fourth Proportional to 380,412.48, 524,968.42 and 219,266.44

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Solution

The fourth proportional to 380,412.48, 524,968.42 and 219,266.44 is: 302,587.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,412.48 : 524,968.42 = 219,266.44 : x
  2. Step 2: Convert to fraction form
    380,412.48/524,968.42 = 219,266.44/x
  3. Step 3: Cross multiply
    380,412.48x = 524,968.42 × 219,266.44
  4. Step 4: Simplify right side
    380,412.48x = 115,107,956,565.83
  5. Step 5: Solve for x
    x = 115,107,956,565.83/380,412.48
  6. Step 6: Final answer
    x = 302,587.22

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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.