Finding the Fourth Proportional to 384,211.70, 576,317.55 and 197,587.70
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Solution
The fourth proportional to 384,211.70, 576,317.55 and 197,587.70 is: 296,381.55
Step by Step Solution
- Step 1: Write the proportion equation
384,211.70 : 576,317.55 = 197,587.70 : x - Step 2: Convert to fraction form
384,211.70/576,317.55 = 197,587.70/x - Step 3: Cross multiply
384,211.70x = 576,317.55 × 197,587.70 - Step 4: Simplify right side
384,211.70x = 113,873,259,174.14 - Step 5: Solve for x
x = 113,873,259,174.14/384,211.70 - Step 6: Final answer
x = 296,381.55
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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.