Finding the Fourth Proportional to 657,697.08, 986,670.06 and 208,531.08
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Solution
The fourth proportional to 657,697.08, 986,670.06 and 208,531.08 is: 312,836.08
Step by Step Solution
- Step 1: Write the proportion equation
657,697.08 : 986,670.06 = 208,531.08 : x - Step 2: Convert to fraction form
657,697.08/986,670.06 = 208,531.08/x - Step 3: Cross multiply
657,697.08x = 986,670.06 × 208,531.08 - Step 4: Simplify right side
657,697.08x = 205,751,373,215.47 - Step 5: Solve for x
x = 205,751,373,215.47/657,697.08 - Step 6: Final answer
x = 312,836.08
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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.