Finding the Fourth Proportional to 486,316.41, 671,259.18 and 282,458.96
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Solution
The fourth proportional to 486,316.41, 671,259.18 and 282,458.96 is: 389,876.15
Step by Step Solution
- Step 1: Write the proportion equation
486,316.41 : 671,259.18 = 282,458.96 : x - Step 2: Convert to fraction form
486,316.41/671,259.18 = 282,458.96/x - Step 3: Cross multiply
486,316.41x = 671,259.18 × 282,458.96 - Step 4: Simplify right side
486,316.41x = 189,603,168,460.96 - Step 5: Solve for x
x = 189,603,168,460.96/486,316.41 - Step 6: Final answer
x = 389,876.15
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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.