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Finding the Fourth Proportional to 477,626.67, 716,359.54 and 136,046.07

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Solution

The fourth proportional to 477,626.67, 716,359.54 and 136,046.07 is: 204,046.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,626.67 : 716,359.54 = 136,046.07 : x
  2. Step 2: Convert to fraction form
    477,626.67/716,359.54 = 136,046.07/x
  3. Step 3: Cross multiply
    477,626.67x = 716,359.54 × 136,046.07
  4. Step 4: Simplify right side
    477,626.67x = 97,457,899,783.89
  5. Step 5: Solve for x
    x = 97,457,899,783.89/477,626.67
  6. Step 6: Final answer
    x = 204,046.18

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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.