Finding the Fourth Proportional to 281,053.55, 387,844.16 and 160,233.75
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Solution
The fourth proportional to 281,053.55, 387,844.16 and 160,233.75 is: 221,117.02
Step by Step Solution
- Step 1: Write the proportion equation
281,053.55 : 387,844.16 = 160,233.75 : x - Step 2: Convert to fraction form
281,053.55/387,844.16 = 160,233.75/x - Step 3: Cross multiply
281,053.55x = 387,844.16 × 160,233.75 - Step 4: Simplify right side
281,053.55x = 62,145,724,172.40 - Step 5: Solve for x
x = 62,145,724,172.40/281,053.55 - Step 6: Final answer
x = 221,117.02
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1.5x scale
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.