Home / 377,730.51-521,267.16-207,964.63

Finding the Fourth Proportional to 377,730.51, 521,267.16 and 207,964.63

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Solution

The fourth proportional to 377,730.51, 521,267.16 and 207,964.63 is: 286,990.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,730.51 : 521,267.16 = 207,964.63 : x
  2. Step 2: Convert to fraction form
    377,730.51/521,267.16 = 207,964.63/x
  3. Step 3: Cross multiply
    377,730.51x = 521,267.16 × 207,964.63
  4. Step 4: Simplify right side
    377,730.51x = 108,405,132,060.55
  5. Step 5: Solve for x
    x = 108,405,132,060.55/377,730.51
  6. Step 6: Final answer
    x = 286,990.67

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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.