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Finding the Fourth Proportional to 273,395.85, 377,285.74 and 152,529.94

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Solution

The fourth proportional to 273,395.85, 377,285.74 and 152,529.94 is: 210,491.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,395.85 : 377,285.74 = 152,529.94 : x
  2. Step 2: Convert to fraction form
    273,395.85/377,285.74 = 152,529.94/x
  3. Step 3: Cross multiply
    273,395.85x = 377,285.74 × 152,529.94
  4. Step 4: Simplify right side
    273,395.85x = 57,547,371,285.06
  5. Step 5: Solve for x
    x = 57,547,371,285.06/273,395.85
  6. Step 6: Final answer
    x = 210,491.02

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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.