Finding the Fourth Proportional to 315,045,396.81, 434,769,607.18 and 173,916,282.94
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Solution
The fourth proportional to 315,045,396.81, 434,769,607.18 and 173,916,282.94 is: 240,008,312.39
Step by Step Solution
- Step 1: Write the proportion equation
315,045,396.81 : 434,769,607.18 = 173,916,282.94 : x - Step 2: Convert to fraction form
315,045,396.81/434,769,607.18 = 173,916,282.94/x - Step 3: Cross multiply
315,045,396.81x = 434,769,607.18 × 173,916,282.94 - Step 4: Simplify right side
315,045,396.81x = 75,613,514,016,029,536 - Step 5: Solve for x
x = 75,613,514,016,029,536/315,045,396.81 - Step 6: Final answer
x = 240,008,312.39
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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.