Home / 382,730.32-528,111.66-229,736.08

Finding the Fourth Proportional to 382,730.32, 528,111.66 and 229,736.08

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Solution

The fourth proportional to 382,730.32, 528,111.66 and 229,736.08 is: 317,002.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,730.32 : 528,111.66 = 229,736.08 : x
  2. Step 2: Convert to fraction form
    382,730.32/528,111.66 = 229,736.08/x
  3. Step 3: Cross multiply
    382,730.32x = 528,111.66 × 229,736.08
  4. Step 4: Simplify right side
    382,730.32x = 121,326,302,570.69
  5. Step 5: Solve for x
    x = 121,326,302,570.69/382,730.32
  6. Step 6: Final answer
    x = 317,002.07

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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.