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Finding the Fourth Proportional to 348,252.62, 480,385.00 and 218,986.51

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Solution

The fourth proportional to 348,252.62, 480,385.00 and 218,986.51 is: 302,073.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,252.62 : 480,385.00 = 218,986.51 : x
  2. Step 2: Convert to fraction form
    348,252.62/480,385.00 = 218,986.51/x
  3. Step 3: Cross multiply
    348,252.62x = 480,385.00 × 218,986.51
  4. Step 4: Simplify right side
    348,252.62x = 105,197,834,579.84
  5. Step 5: Solve for x
    x = 105,197,834,579.84/348,252.62
  6. Step 6: Final answer
    x = 302,073.35

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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.