Finding the Fourth Proportional to 611,283.08, 843,528.28 and 339,329.63
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Solution
The fourth proportional to 611,283.08, 843,528.28 and 339,329.63 is: 468,251.37
Step by Step Solution
- Step 1: Write the proportion equation
611,283.08 : 843,528.28 = 339,329.63 : x - Step 2: Convert to fraction form
611,283.08/843,528.28 = 339,329.63/x - Step 3: Cross multiply
611,283.08x = 843,528.28 × 339,329.63 - Step 4: Simplify right side
611,283.08x = 286,234,138,671.25 - Step 5: Solve for x
x = 286,234,138,671.25/611,283.08 - Step 6: Final answer
x = 468,251.37
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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.