Home / 377,340.55-520,738.05-207,574.66

Finding the Fourth Proportional to 377,340.55, 520,738.05 and 207,574.66

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Solution

The fourth proportional to 377,340.55, 520,738.05 and 207,574.66 is: 286,457.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,340.55 : 520,738.05 = 207,574.66 : x
  2. Step 2: Convert to fraction form
    377,340.55/520,738.05 = 207,574.66/x
  3. Step 3: Cross multiply
    377,340.55x = 520,738.05 × 207,574.66
  4. Step 4: Simplify right side
    377,340.55x = 108,092,023,677.81
  5. Step 5: Solve for x
    x = 108,092,023,677.81/377,340.55
  6. Step 6: Final answer
    x = 286,457.48

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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.