Finding the Fourth Proportional to 360,428.34, 497,371.02 and 199,273.98
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Solution
The fourth proportional to 360,428.34, 497,371.02 and 199,273.98 is: 274,986.99
Step by Step Solution
- Step 1: Write the proportion equation
360,428.34 : 497,371.02 = 199,273.98 : x - Step 2: Convert to fraction form
360,428.34/497,371.02 = 199,273.98/x - Step 3: Cross multiply
360,428.34x = 497,371.02 × 199,273.98 - Step 4: Simplify right side
360,428.34x = 99,113,102,692.06 - Step 5: Solve for x
x = 99,113,102,692.06/360,428.34 - Step 6: Final answer
x = 274,986.99
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1.5x scale
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.