Finding the Fourth Proportional to 346,716.70, 520,075.05 and 283,731.10
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Solution
The fourth proportional to 346,716.70, 520,075.05 and 283,731.10 is: 425,596.65
Step by Step Solution
- Step 1: Write the proportion equation
346,716.70 : 520,075.05 = 283,731.10 : x - Step 2: Convert to fraction form
346,716.70/520,075.05 = 283,731.10/x - Step 3: Cross multiply
346,716.70x = 520,075.05 × 283,731.10 - Step 4: Simplify right side
346,716.70x = 147,561,466,019.06 - Step 5: Solve for x
x = 147,561,466,019.06/346,716.70 - Step 6: Final answer
x = 425,596.65
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1.5x scale
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.