Finding the Fourth Proportional to 315,484.74, 435,369.93 and 202,307.94
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Solution
The fourth proportional to 315,484.74, 435,369.93 and 202,307.94 is: 279,185.59
Step by Step Solution
- Step 1: Write the proportion equation
315,484.74 : 435,369.93 = 202,307.94 : x - Step 2: Convert to fraction form
315,484.74/435,369.93 = 202,307.94/x - Step 3: Cross multiply
315,484.74x = 435,369.93 × 202,307.94 - Step 4: Simplify right side
315,484.74x = 88,078,793,676.24 - Step 5: Solve for x
x = 88,078,793,676.24/315,484.74 - Step 6: Final answer
x = 279,185.59
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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.