Home / 283,241.94-390,869.73-155,914.26

Finding the Fourth Proportional to 283,241.94, 390,869.73 and 155,914.26

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Solution

The fourth proportional to 283,241.94, 390,869.73 and 155,914.26 is: 215,159.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,241.94 : 390,869.73 = 155,914.26 : x
  2. Step 2: Convert to fraction form
    283,241.94/390,869.73 = 155,914.26/x
  3. Step 3: Cross multiply
    283,241.94x = 390,869.73 × 155,914.26
  4. Step 4: Simplify right side
    283,241.94x = 60,942,164,709.35
  5. Step 5: Solve for x
    x = 60,942,164,709.35/283,241.94
  6. Step 6: Final answer
    x = 215,159.40

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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.