Home / 273,916.16-377,990.72-153,033.60

Finding the Fourth Proportional to 273,916.16, 377,990.72 and 153,033.60

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Solution

The fourth proportional to 273,916.16, 377,990.72 and 153,033.60 is: 211,178.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,916.16 : 377,990.72 = 153,033.60 : x
  2. Step 2: Convert to fraction form
    273,916.16/377,990.72 = 153,033.60/x
  3. Step 3: Cross multiply
    273,916.16x = 377,990.72 × 153,033.60
  4. Step 4: Simplify right side
    273,916.16x = 57,845,280,648.19
  5. Step 5: Solve for x
    x = 57,845,280,648.19/273,916.16
  6. Step 6: Final answer
    x = 211,178.78

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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.