Finding the Fourth Proportional to 557,116.08, 768,808.26 and 302,467.26
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Solution
The fourth proportional to 557,116.08, 768,808.26 and 302,467.26 is: 417,398.35
Step by Step Solution
- Step 1: Write the proportion equation
557,116.08 : 768,808.26 = 302,467.26 : x - Step 2: Convert to fraction form
557,116.08/768,808.26 = 302,467.26/x - Step 3: Cross multiply
557,116.08x = 768,808.26 × 302,467.26 - Step 4: Simplify right side
557,116.08x = 232,539,330,750.60 - Step 5: Solve for x
x = 232,539,330,750.60/557,116.08 - Step 6: Final answer
x = 417,398.35
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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.