Finding the Fourth Proportional to 343,075.40, 514,904.70 and 276,590.60
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Solution
The fourth proportional to 343,075.40, 514,904.70 and 276,590.60 is: 415,120.99
Step by Step Solution
- Step 1: Write the proportion equation
343,075.40 : 514,904.70 = 276,590.60 : x - Step 2: Convert to fraction form
343,075.40/514,904.70 = 276,590.60/x - Step 3: Cross multiply
343,075.40x = 514,904.70 × 276,590.60 - Step 4: Simplify right side
343,075.40x = 142,417,799,915.82 - Step 5: Solve for x
x = 142,417,799,915.82/343,075.40 - Step 6: Final answer
x = 415,120.99
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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.