Finding the Fourth Proportional to 421,844.10, 582,054.84 and 249,816.12
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Solution
The fourth proportional to 421,844.10, 582,054.84 and 249,816.12 is: 344,692.94
Step by Step Solution
- Step 1: Write the proportion equation
421,844.10 : 582,054.84 = 249,816.12 : x - Step 2: Convert to fraction form
421,844.10/582,054.84 = 249,816.12/x - Step 3: Cross multiply
421,844.10x = 582,054.84 × 249,816.12 - Step 4: Simplify right side
421,844.10x = 145,406,681,756.02 - Step 5: Solve for x
x = 145,406,681,756.02/421,844.10 - Step 6: Final answer
x = 344,692.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.