Finding the Fourth Proportional to 242,703.62, 334,916.58 and 139,313.94
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Solution
The fourth proportional to 242,703.62, 334,916.58 and 139,313.94 is: 192,244.96
Step by Step Solution
- Step 1: Write the proportion equation
242,703.62 : 334,916.58 = 139,313.94 : x - Step 2: Convert to fraction form
242,703.62/334,916.58 = 139,313.94/x - Step 3: Cross multiply
242,703.62x = 334,916.58 × 139,313.94 - Step 4: Simplify right side
242,703.62x = 46,658,548,331.13 - Step 5: Solve for x
x = 46,658,548,331.13/242,703.62 - Step 6: Final answer
x = 192,244.96
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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.