Home / 380,875.48-525,590.04-219,782.32

Finding the Fourth Proportional to 380,875.48, 525,590.04 and 219,782.32

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Solution

The fourth proportional to 380,875.48, 525,590.04 and 219,782.32 is: 303,289.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,875.48 : 525,590.04 = 219,782.32 : x
  2. Step 2: Convert to fraction form
    380,875.48/525,590.04 = 219,782.32/x
  3. Step 3: Cross multiply
    380,875.48x = 525,590.04 × 219,782.32
  4. Step 4: Simplify right side
    380,875.48x = 115,515,398,360.09
  5. Step 5: Solve for x
    x = 115,515,398,360.09/380,875.48
  6. Step 6: Final answer
    x = 303,289.14

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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.