Finding the Fourth Proportional to 645,249.47, 968,050.94 and 195,984.99
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Solution
The fourth proportional to 645,249.47, 968,050.94 and 195,984.99 is: 294,031.17
Step by Step Solution
- Step 1: Write the proportion equation
645,249.47 : 968,050.94 = 195,984.99 : x - Step 2: Convert to fraction form
645,249.47/968,050.94 = 195,984.99/x - Step 3: Cross multiply
645,249.47x = 968,050.94 × 195,984.99 - Step 4: Simplify right side
645,249.47x = 189,723,452,815.47 - Step 5: Solve for x
x = 189,723,452,815.47/645,249.47 - Step 6: Final answer
x = 294,031.17
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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.