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Finding the Fourth Proportional to 377,254.82, 520,608.93 and 207,485.30

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Solution

The fourth proportional to 377,254.82, 520,608.93 and 207,485.30 is: 286,328.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,254.82 : 520,608.93 = 207,485.30 : x
  2. Step 2: Convert to fraction form
    377,254.82/520,608.93 = 207,485.30/x
  3. Step 3: Cross multiply
    377,254.82x = 520,608.93 × 207,485.30
  4. Step 4: Simplify right side
    377,254.82x = 108,018,700,023.73
  5. Step 5: Solve for x
    x = 108,018,700,023.73/377,254.82
  6. Step 6: Final answer
    x = 286,328.22

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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.