Finding the Fourth Proportional to 838,486.08, 1,257,534.72 and 239,431.68
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Solution
The fourth proportional to 838,486.08, 1,257,534.72 and 239,431.68 is: 359,092.01
Step by Step Solution
- Step 1: Write the proportion equation
838,486.08 : 1,257,534.72 = 239,431.68 : x - Step 2: Convert to fraction form
838,486.08/1,257,534.72 = 239,431.68/x - Step 3: Cross multiply
838,486.08x = 1,257,534.72 × 239,431.68 - Step 4: Simplify right side
838,486.08x = 301,093,650,667.93 - Step 5: Solve for x
x = 301,093,650,667.93/838,486.08 - Step 6: Final answer
x = 359,092.01
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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.