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Finding the Fourth Proportional to 369,579.10, 510,019.10 and 199,813.22

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Solution

The fourth proportional to 369,579.10, 510,019.10 and 199,813.22 is: 275,742.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,579.10 : 510,019.10 = 199,813.22 : x
  2. Step 2: Convert to fraction form
    369,579.10/510,019.10 = 199,813.22/x
  3. Step 3: Cross multiply
    369,579.10x = 510,019.10 × 199,813.22
  4. Step 4: Simplify right side
    369,579.10x = 101,908,558,632.50
  5. Step 5: Solve for x
    x = 101,908,558,632.50/369,579.10
  6. Step 6: Final answer
    x = 275,742.21

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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.