Finding the Fourth Proportional to 351,830.48, 528,451.62 and 209,952.50
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Solution
The fourth proportional to 351,830.48, 528,451.62 and 209,952.50 is: 315,349.99
Step by Step Solution
- Step 1: Write the proportion equation
351,830.48 : 528,451.62 = 209,952.50 : x - Step 2: Convert to fraction form
351,830.48/528,451.62 = 209,952.50/x - Step 3: Cross multiply
351,830.48x = 528,451.62 × 209,952.50 - Step 4: Simplify right side
351,830.48x = 110,949,738,748.05 - Step 5: Solve for x
x = 110,949,738,748.05/351,830.48 - Step 6: Final answer
x = 315,349.99
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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.