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Finding the Fourth Proportional to 273,661.35, 377,649.18 and 152,804.76

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Solution

The fourth proportional to 273,661.35, 377,649.18 and 152,804.76 is: 210,868.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,661.35 : 377,649.18 = 152,804.76 : x
  2. Step 2: Convert to fraction form
    273,661.35/377,649.18 = 152,804.76/x
  3. Step 3: Cross multiply
    273,661.35x = 377,649.18 × 152,804.76
  4. Step 4: Simplify right side
    273,661.35x = 57,706,592,314.10
  5. Step 5: Solve for x
    x = 57,706,592,314.10/273,661.35
  6. Step 6: Final answer
    x = 210,868.62

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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.