Finding the Fourth Proportional to 234,661.94, 323,878.12 and 139,221.26
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Solution
The fourth proportional to 234,661.94, 323,878.12 and 139,221.26 is: 192,151.82
Step by Step Solution
- Step 1: Write the proportion equation
234,661.94 : 323,878.12 = 139,221.26 : x - Step 2: Convert to fraction form
234,661.94/323,878.12 = 139,221.26/x - Step 3: Cross multiply
234,661.94x = 323,878.12 × 139,221.26 - Step 4: Simplify right side
234,661.94x = 45,090,717,985.39 - Step 5: Solve for x
x = 45,090,717,985.39/234,661.94 - Step 6: Final answer
x = 192,151.82
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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.