Finding the Fourth Proportional to 348,356.92, 522,409.91 and 120,590.64
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Solution
The fourth proportional to 348,356.92, 522,409.91 and 120,590.64 is: 180,842.53
Step by Step Solution
- Step 1: Write the proportion equation
348,356.92 : 522,409.91 = 120,590.64 : x - Step 2: Convert to fraction form
348,356.92/522,409.91 = 120,590.64/x - Step 3: Cross multiply
348,356.92x = 522,409.91 × 120,590.64 - Step 4: Simplify right side
348,356.92x = 62,997,745,389.24 - Step 5: Solve for x
x = 62,997,745,389.24/348,356.92 - Step 6: Final answer
x = 180,842.53
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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.