Finding the Fourth Proportional to 657,679.08, 986,552.60 and 208,447.68
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Solution
The fourth proportional to 657,679.08, 986,552.60 and 208,447.68 is: 312,682.29
Step by Step Solution
- Step 1: Write the proportion equation
657,679.08 : 986,552.60 = 208,447.68 : x - Step 2: Convert to fraction form
657,679.08/986,552.60 = 208,447.68/x - Step 3: Cross multiply
657,679.08x = 986,552.60 × 208,447.68 - Step 4: Simplify right side
657,679.08x = 205,644,600,667.97 - Step 5: Solve for x
x = 205,644,600,667.97/657,679.08 - Step 6: Final answer
x = 312,682.29
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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.