Home / 382,802.20-528,256.02-213,032.68

Finding the Fourth Proportional to 382,802.20, 528,256.02 and 213,032.68

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Solution

The fourth proportional to 382,802.20, 528,256.02 and 213,032.68 is: 293,978.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,802.20 : 528,256.02 = 213,032.68 : x
  2. Step 2: Convert to fraction form
    382,802.20/528,256.02 = 213,032.68/x
  3. Step 3: Cross multiply
    382,802.20x = 528,256.02 × 213,032.68
  4. Step 4: Simplify right side
    382,802.20x = 112,535,795,666.73
  5. Step 5: Solve for x
    x = 112,535,795,666.73/382,802.20
  6. Step 6: Final answer
    x = 293,978.97

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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.