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Finding the Fourth Proportional to 362,506.74, 500,178.76 and 219,263.70

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Solution

The fourth proportional to 362,506.74, 500,178.76 and 219,263.70 is: 302,535.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,506.74 : 500,178.76 = 219,263.70 : x
  2. Step 2: Convert to fraction form
    362,506.74/500,178.76 = 219,263.70/x
  3. Step 3: Cross multiply
    362,506.74x = 500,178.76 × 219,263.70
  4. Step 4: Simplify right side
    362,506.74x = 109,671,045,579.01
  5. Step 5: Solve for x
    x = 109,671,045,579.01/362,506.74
  6. Step 6: Final answer
    x = 302,535.19

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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.