Finding the Fourth Proportional to 268,772.58, 370,946.98 and 161,401.81
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Solution
The fourth proportional to 268,772.58, 370,946.98 and 161,401.81 is: 222,759.01
Step by Step Solution
- Step 1: Write the proportion equation
268,772.58 : 370,946.98 = 161,401.81 : x - Step 2: Convert to fraction form
268,772.58/370,946.98 = 161,401.81/x - Step 3: Cross multiply
268,772.58x = 370,946.98 × 161,401.81 - Step 4: Simplify right side
268,772.58x = 59,871,513,986.03 - Step 5: Solve for x
x = 59,871,513,986.03/268,772.58 - Step 6: Final answer
x = 222,759.01
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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.