Home / 352,106.34-485,968.86-208,945.32

Finding the Fourth Proportional to 352,106.34, 485,968.86 and 208,945.32

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Solution

The fourth proportional to 352,106.34, 485,968.86 and 208,945.32 is: 288,381.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,106.34 : 485,968.86 = 208,945.32 : x
  2. Step 2: Convert to fraction form
    352,106.34/485,968.86 = 208,945.32/x
  3. Step 3: Cross multiply
    352,106.34x = 485,968.86 × 208,945.32
  4. Step 4: Simplify right side
    352,106.34x = 101,540,918,962.74
  5. Step 5: Solve for x
    x = 101,540,918,962.74/352,106.34
  6. Step 6: Final answer
    x = 288,381.40

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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.