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Finding the Fourth Proportional to 377,492.39, 520,917.84 and 207,726.51

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Solution

The fourth proportional to 377,492.39, 520,917.84 and 207,726.51 is: 286,650.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,492.39 : 520,917.84 = 207,726.51 : x
  2. Step 2: Convert to fraction form
    377,492.39/520,917.84 = 207,726.51/x
  3. Step 3: Cross multiply
    377,492.39x = 520,917.84 × 207,726.51
  4. Step 4: Simplify right side
    377,492.39x = 108,208,444,899.94
  5. Step 5: Solve for x
    x = 108,208,444,899.94/377,492.39
  6. Step 6: Final answer
    x = 286,650.67

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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.