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Finding the Fourth Proportional to 362,572.40, 500,429.94 and 201,482.84

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Solution

The fourth proportional to 362,572.40, 500,429.94 and 201,482.84 is: 278,090.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,572.40 : 500,429.94 = 201,482.84 : x
  2. Step 2: Convert to fraction form
    362,572.40/500,429.94 = 201,482.84/x
  3. Step 3: Cross multiply
    362,572.40x = 500,429.94 × 201,482.84
  4. Step 4: Simplify right side
    362,572.40x = 100,828,045,532.23
  5. Step 5: Solve for x
    x = 100,828,045,532.23/362,572.40
  6. Step 6: Final answer
    x = 278,090.79

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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.