Finding the Fourth Proportional to 281,830.08, 388,924.80 and 168,652.80
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Solution
The fourth proportional to 281,830.08, 388,924.80 and 168,652.80 is: 232,740.44
Step by Step Solution
- Step 1: Write the proportion equation
281,830.08 : 388,924.80 = 168,652.80 : x - Step 2: Convert to fraction form
281,830.08/388,924.80 = 168,652.80/x - Step 3: Cross multiply
281,830.08x = 388,924.80 × 168,652.80 - Step 4: Simplify right side
281,830.08x = 65,593,256,509.44 - Step 5: Solve for x
x = 65,593,256,509.44/281,830.08 - Step 6: Final answer
x = 232,740.44
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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.