Home / 372,001.23-513,401.81-210,838.98

Finding the Fourth Proportional to 372,001.23, 513,401.81 and 210,838.98

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Solution

The fourth proportional to 372,001.23, 513,401.81 and 210,838.98 is: 290,980.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,001.23 : 513,401.81 = 210,838.98 : x
  2. Step 2: Convert to fraction form
    372,001.23/513,401.81 = 210,838.98/x
  3. Step 3: Cross multiply
    372,001.23x = 513,401.81 × 210,838.98
  4. Step 4: Simplify right side
    372,001.23x = 108,245,113,950.55
  5. Step 5: Solve for x
    x = 108,245,113,950.55/372,001.23
  6. Step 6: Final answer
    x = 290,980.53

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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.