Home / 380,816.07-525,522.92-208,743.59

Finding the Fourth Proportional to 380,816.07, 525,522.92 and 208,743.59

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Solution

The fourth proportional to 380,816.07, 525,522.92 and 208,743.59 is: 288,064.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,816.07 : 525,522.92 = 208,743.59 : x
  2. Step 2: Convert to fraction form
    380,816.07/525,522.92 = 208,743.59/x
  3. Step 3: Cross multiply
    380,816.07x = 525,522.92 × 208,743.59
  4. Step 4: Simplify right side
    380,816.07x = 109,699,537,276.75
  5. Step 5: Solve for x
    x = 109,699,537,276.75/380,816.07
  6. Step 6: Final answer
    x = 288,064.36

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1.5x scale

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.