Home / 380,835.96-525,552.52-211,070.08

Finding the Fourth Proportional to 380,835.96, 525,552.52 and 211,070.08

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Solution

The fourth proportional to 380,835.96, 525,552.52 and 211,070.08 is: 291,276.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,835.96 : 525,552.52 = 211,070.08 : x
  2. Step 2: Convert to fraction form
    380,835.96/525,552.52 = 211,070.08/x
  3. Step 3: Cross multiply
    380,835.96x = 525,552.52 × 211,070.08
  4. Step 4: Simplify right side
    380,835.96x = 110,928,412,440.60
  5. Step 5: Solve for x
    x = 110,928,412,440.60/380,835.96
  6. Step 6: Final answer
    x = 291,276.10

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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.