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Finding the Fourth Proportional to 273,498.64, 377,428.47 and 152,639.92

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Solution

The fourth proportional to 273,498.64, 377,428.47 and 152,639.92 is: 210,643.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,498.64 : 377,428.47 = 152,639.92 : x
  2. Step 2: Convert to fraction form
    273,498.64/377,428.47 = 152,639.92/x
  3. Step 3: Cross multiply
    273,498.64x = 377,428.47 × 152,639.92
  4. Step 4: Simplify right side
    273,498.64x = 57,610,651,466.52
  5. Step 5: Solve for x
    x = 57,610,651,466.52/273,498.64
  6. Step 6: Final answer
    x = 210,643.28

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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.