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Finding the Fourth Proportional to 294,249, 441,374.58 and 72,633

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Solution

The fourth proportional to 294,249, 441,374.58 and 72,633 is: 108,949.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,249 : 441,374.58 = 72,633 : x
  2. Step 2: Convert to fraction form
    294,249/441,374.58 = 72,633/x
  3. Step 3: Cross multiply
    294,249x = 441,374.58 × 72,633
  4. Step 4: Simplify right side
    294,249x = 32,058,359,869.14
  5. Step 5: Solve for x
    x = 32,058,359,869.14/294,249
  6. Step 6: Final answer
    x = 108,949.77

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1.5x scale

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.