Finding the Fourth Proportional to 207,026.80, 310,537.76 and 145,985.68
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Solution
The fourth proportional to 207,026.80, 310,537.76 and 145,985.68 is: 218,976.80
Step by Step Solution
- Step 1: Write the proportion equation
207,026.80 : 310,537.76 = 145,985.68 : x - Step 2: Convert to fraction form
207,026.80/310,537.76 = 145,985.68/x - Step 3: Cross multiply
207,026.80x = 310,537.76 × 145,985.68 - Step 4: Simplify right side
207,026.80x = 45,334,066,059.28 - Step 5: Solve for x
x = 45,334,066,059.28/207,026.80 - Step 6: Final answer
x = 218,976.80
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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.