Finding the Fourth Proportional to 373,191.14, 515,017.77 and 212,073.62
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Solution
The fourth proportional to 373,191.14, 515,017.77 and 212,073.62 is: 292,669.55
Step by Step Solution
- Step 1: Write the proportion equation
373,191.14 : 515,017.77 = 212,073.62 : x - Step 2: Convert to fraction form
373,191.14/515,017.77 = 212,073.62/x - Step 3: Cross multiply
373,191.14x = 515,017.77 × 212,073.62 - Step 4: Simplify right side
373,191.14x = 109,221,682,848.23 - Step 5: Solve for x
x = 109,221,682,848.23/373,191.14 - Step 6: Final answer
x = 292,669.55
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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.