Finding the Fourth Proportional to 680,294.08, 1,020,588.75 and 206,967.14
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Solution
The fourth proportional to 680,294.08, 1,020,588.75 and 206,967.14 is: 310,495.62
Step by Step Solution
- Step 1: Write the proportion equation
680,294.08 : 1,020,588.75 = 206,967.14 : x - Step 2: Convert to fraction form
680,294.08/1,020,588.75 = 206,967.14/x - Step 3: Cross multiply
680,294.08x = 1,020,588.75 × 206,967.14 - Step 4: Simplify right side
680,294.08x = 211,228,334,186.26 - Step 5: Solve for x
x = 211,228,334,186.26/680,294.08 - Step 6: Final answer
x = 310,495.62
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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.