Finding the Fourth Proportional to 868,190.87, 1,302,335.51 and 269,237.18
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Solution
The fourth proportional to 868,190.87, 1,302,335.51 and 269,237.18 is: 403,871.02
Step by Step Solution
- Step 1: Write the proportion equation
868,190.87 : 1,302,335.51 = 269,237.18 : x - Step 2: Convert to fraction form
868,190.87/1,302,335.51 = 269,237.18/x - Step 3: Cross multiply
868,190.87x = 1,302,335.51 × 269,237.18 - Step 4: Simplify right side
868,190.87x = 350,637,132,268.40 - Step 5: Solve for x
x = 350,637,132,268.40/868,190.87 - Step 6: Final answer
x = 403,871.02
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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.