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Finding the Fourth Proportional to 304,751.51, 457,039.00 and 91,510.81

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Solution

The fourth proportional to 304,751.51, 457,039.00 and 91,510.81 is: 137,239.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,751.51 : 457,039.00 = 91,510.81 : x
  2. Step 2: Convert to fraction form
    304,751.51/457,039.00 = 91,510.81/x
  3. Step 3: Cross multiply
    304,751.51x = 457,039.00 × 91,510.81
  4. Step 4: Simplify right side
    304,751.51x = 41,824,006,348.84
  5. Step 5: Solve for x
    x = 41,824,006,348.84/304,751.51
  6. Step 6: Final answer
    x = 137,239.70

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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.