Home / 381,030.35-525,827.97-208,964.07

Finding the Fourth Proportional to 381,030.35, 525,827.97 and 208,964.07

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Solution

The fourth proportional to 381,030.35, 525,827.97 and 208,964.07 is: 288,373.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,030.35 : 525,827.97 = 208,964.07 : x
  2. Step 2: Convert to fraction form
    381,030.35/525,827.97 = 208,964.07/x
  3. Step 3: Cross multiply
    381,030.35x = 525,827.97 × 208,964.07
  4. Step 4: Simplify right side
    381,030.35x = 109,879,152,731.04
  5. Step 5: Solve for x
    x = 109,879,152,731.04/381,030.35
  6. Step 6: Final answer
    x = 288,373.76

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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.