Home / 380,823.57-525,533.25-208,751.10

Finding the Fourth Proportional to 380,823.57, 525,533.25 and 208,751.10

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Solution

The fourth proportional to 380,823.57, 525,533.25 and 208,751.10 is: 288,074.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,823.57 : 525,533.25 = 208,751.10 : x
  2. Step 2: Convert to fraction form
    380,823.57/525,533.25 = 208,751.10/x
  3. Step 3: Cross multiply
    380,823.57x = 525,533.25 × 208,751.10
  4. Step 4: Simplify right side
    380,823.57x = 109,705,644,024.08
  5. Step 5: Solve for x
    x = 109,705,644,024.08/380,823.57
  6. Step 6: Final answer
    x = 288,074.72

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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.