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Finding the Fourth Proportional to 273,777.21, 377,808.57 and 152,920.22

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Solution

The fourth proportional to 273,777.21, 377,808.57 and 152,920.22 is: 211,027.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,777.21 : 377,808.57 = 152,920.22 : x
  2. Step 2: Convert to fraction form
    273,777.21/377,808.57 = 152,920.22/x
  3. Step 3: Cross multiply
    273,777.21x = 377,808.57 × 152,920.22
  4. Step 4: Simplify right side
    273,777.21x = 57,774,569,642.29
  5. Step 5: Solve for x
    x = 57,774,569,642.29/273,777.21
  6. Step 6: Final answer
    x = 211,027.68

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1.5x scale

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.