Finding the Fourth Proportional to 373,074.78, 514,854.12 and 203,319.84
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Solution
The fourth proportional to 373,074.78, 514,854.12 and 203,319.84 is: 280,587.33
Step by Step Solution
- Step 1: Write the proportion equation
373,074.78 : 514,854.12 = 203,319.84 : x - Step 2: Convert to fraction form
373,074.78/514,854.12 = 203,319.84/x - Step 3: Cross multiply
373,074.78x = 514,854.12 × 203,319.84 - Step 4: Simplify right side
373,074.78x = 104,680,057,301.74 - Step 5: Solve for x
x = 104,680,057,301.74/373,074.78 - Step 6: Final answer
x = 280,587.33
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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.