Home / 208,050.30-312,075.45-199,302.30

Finding the Fourth Proportional to 208,050.30, 312,075.45 and 199,302.30

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Solution

The fourth proportional to 208,050.30, 312,075.45 and 199,302.30 is: 298,953.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,050.30 : 312,075.45 = 199,302.30 : x
  2. Step 2: Convert to fraction form
    208,050.30/312,075.45 = 199,302.30/x
  3. Step 3: Cross multiply
    208,050.30x = 312,075.45 × 199,302.30
  4. Step 4: Simplify right side
    208,050.30x = 62,197,354,958.54
  5. Step 5: Solve for x
    x = 62,197,354,958.54/208,050.30
  6. Step 6: Final answer
    x = 298,953.45

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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.