Home / 372,125.84-513,577-208,827.36

Finding the Fourth Proportional to 372,125.84, 513,577 and 208,827.36

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Solution

The fourth proportional to 372,125.84, 513,577 and 208,827.36 is: 288,206.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,125.84 : 513,577 = 208,827.36 : x
  2. Step 2: Convert to fraction form
    372,125.84/513,577 = 208,827.36/x
  3. Step 3: Cross multiply
    372,125.84x = 513,577 × 208,827.36
  4. Step 4: Simplify right side
    372,125.84x = 107,248,929,066.72
  5. Step 5: Solve for x
    x = 107,248,929,066.72/372,125.84
  6. Step 6: Final answer
    x = 288,206.08

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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.