Finding the Fourth Proportional to 377,634.36, 521,074.44 and 216,459.75
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Solution
The fourth proportional to 377,634.36, 521,074.44 and 216,459.75 is: 298,679.50
Step by Step Solution
- Step 1: Write the proportion equation
377,634.36 : 521,074.44 = 216,459.75 : x - Step 2: Convert to fraction form
377,634.36/521,074.44 = 216,459.75/x - Step 3: Cross multiply
377,634.36x = 521,074.44 × 216,459.75 - Step 4: Simplify right side
377,634.36x = 112,791,643,013.79 - Step 5: Solve for x
x = 112,791,643,013.79/377,634.36 - Step 6: Final answer
x = 298,679.50
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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.