Home / 362,439.90-500,232.24-209,457.09

Finding the Fourth Proportional to 362,439.90, 500,232.24 and 209,457.09

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Solution

The fourth proportional to 362,439.90, 500,232.24 and 209,457.09 is: 289,088.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,439.90 : 500,232.24 = 209,457.09 : x
  2. Step 2: Convert to fraction form
    362,439.90/500,232.24 = 209,457.09/x
  3. Step 3: Cross multiply
    362,439.90x = 500,232.24 × 209,457.09
  4. Step 4: Simplify right side
    362,439.90x = 104,777,189,314.58
  5. Step 5: Solve for x
    x = 104,777,189,314.58/362,439.90
  6. Step 6: Final answer
    x = 289,088.45

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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.