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Finding the Fourth Proportional to 324,972, 448,457.58 and 181,730.70

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Solution

The fourth proportional to 324,972, 448,457.58 and 181,730.70 is: 250,786.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,972 : 448,457.58 = 181,730.70 : x
  2. Step 2: Convert to fraction form
    324,972/448,457.58 = 181,730.70/x
  3. Step 3: Cross multiply
    324,972x = 448,457.58 × 181,730.70
  4. Step 4: Simplify right side
    324,972x = 81,498,509,933.71
  5. Step 5: Solve for x
    x = 81,498,509,933.71/324,972
  6. Step 6: Final answer
    x = 250,786.25

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1.5x scale

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.