Finding the Fourth Proportional to 657,670.06, 986,539.11 and 208,438.66
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Solution
The fourth proportional to 657,670.06, 986,539.11 and 208,438.66 is: 312,668.77
Step by Step Solution
- Step 1: Write the proportion equation
657,670.06 : 986,539.11 = 208,438.66 : x - Step 2: Convert to fraction form
657,670.06/986,539.11 = 208,438.66/x - Step 3: Cross multiply
657,670.06x = 986,539.11 × 208,438.66 - Step 4: Simplify right side
657,670.06x = 205,632,890,125.99 - Step 5: Solve for x
x = 205,632,890,125.99/657,670.06 - Step 6: Final answer
x = 312,668.77
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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.