Home / 362,579.10-543,285.45-229,220.70

Finding the Fourth Proportional to 362,579.10, 543,285.45 and 229,220.70

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Solution

The fourth proportional to 362,579.10, 543,285.45 and 229,220.70 is: 343,462.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,579.10 : 543,285.45 = 229,220.70 : x
  2. Step 2: Convert to fraction form
    362,579.10/543,285.45 = 229,220.70/x
  3. Step 3: Cross multiply
    362,579.10x = 543,285.45 × 229,220.70
  4. Step 4: Simplify right side
    362,579.10x = 124,532,271,148.82
  5. Step 5: Solve for x
    x = 124,532,271,148.82/362,579.10
  6. Step 6: Final answer
    x = 343,462.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.