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Finding the Fourth Proportional to 273,790.40, 410,102.40 and 238,798.40

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Solution

The fourth proportional to 273,790.40, 410,102.40 and 238,798.40 is: 357,688.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,790.40 : 410,102.40 = 238,798.40 : x
  2. Step 2: Convert to fraction form
    273,790.40/410,102.40 = 238,798.40/x
  3. Step 3: Cross multiply
    273,790.40x = 410,102.40 × 238,798.40
  4. Step 4: Simplify right side
    273,790.40x = 97,931,796,956.16
  5. Step 5: Solve for x
    x = 97,931,796,956.16/273,790.40
  6. Step 6: Final answer
    x = 357,688.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.