Home / 380,946.84-525,678.21-208,837.32

Finding the Fourth Proportional to 380,946.84, 525,678.21 and 208,837.32

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Solution

The fourth proportional to 380,946.84, 525,678.21 and 208,837.32 is: 288,179.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,946.84 : 525,678.21 = 208,837.32 : x
  2. Step 2: Convert to fraction form
    380,946.84/525,678.21 = 208,837.32/x
  3. Step 3: Cross multiply
    380,946.84x = 525,678.21 × 208,837.32
  4. Step 4: Simplify right side
    380,946.84x = 109,781,228,558.80
  5. Step 5: Solve for x
    x = 109,781,228,558.80/380,946.84
  6. Step 6: Final answer
    x = 288,179.92

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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.