Finding the Fourth Proportional to 657,889.08, 986,869.49 and 208,577.44
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Solution
The fourth proportional to 657,889.08, 986,869.49 and 208,577.44 is: 312,877.53
Step by Step Solution
- Step 1: Write the proportion equation
657,889.08 : 986,869.49 = 208,577.44 : x - Step 2: Convert to fraction form
657,889.08/986,869.49 = 208,577.44/x - Step 3: Cross multiply
657,889.08x = 986,869.49 × 208,577.44 - Step 4: Simplify right side
657,889.08x = 205,838,711,838.31 - Step 5: Solve for x
x = 205,838,711,838.31/657,889.08 - Step 6: Final answer
x = 312,877.53
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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.