Home / 362,439.17-500,136.78-209,487.26

Finding the Fourth Proportional to 362,439.17, 500,136.78 and 209,487.26

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Solution

The fourth proportional to 362,439.17, 500,136.78 and 209,487.26 is: 289,075.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,439.17 : 500,136.78 = 209,487.26 : x
  2. Step 2: Convert to fraction form
    362,439.17/500,136.78 = 209,487.26/x
  3. Step 3: Cross multiply
    362,439.17x = 500,136.78 × 209,487.26
  4. Step 4: Simplify right side
    362,439.17x = 104,772,283,667.42
  5. Step 5: Solve for x
    x = 104,772,283,667.42/362,439.17
  6. Step 6: Final answer
    x = 289,075.50

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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.