Home / 283,271.43-390,916.04-155,947.03

Finding the Fourth Proportional to 283,271.43, 390,916.04 and 155,947.03

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Solution

The fourth proportional to 283,271.43, 390,916.04 and 155,947.03 is: 215,207.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,271.43 : 390,916.04 = 155,947.03 : x
  2. Step 2: Convert to fraction form
    283,271.43/390,916.04 = 155,947.03/x
  3. Step 3: Cross multiply
    283,271.43x = 390,916.04 × 155,947.03
  4. Step 4: Simplify right side
    283,271.43x = 60,962,195,417.36
  5. Step 5: Solve for x
    x = 60,962,195,417.36/283,271.43
  6. Step 6: Final answer
    x = 215,207.71

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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.