Home / 380,670.52-525,302.68-208,554.23

Finding the Fourth Proportional to 380,670.52, 525,302.68 and 208,554.23

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Solution

The fourth proportional to 380,670.52, 525,302.68 and 208,554.23 is: 287,792.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,670.52 : 525,302.68 = 208,554.23 : x
  2. Step 2: Convert to fraction form
    380,670.52/525,302.68 = 208,554.23/x
  3. Step 3: Cross multiply
    380,670.52x = 525,302.68 × 208,554.23
  4. Step 4: Simplify right side
    380,670.52x = 109,554,095,944.34
  5. Step 5: Solve for x
    x = 109,554,095,944.34/380,670.52
  6. Step 6: Final answer
    x = 287,792.44

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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.