Finding the Fourth Proportional to 629,051.40, 868,101.30 and 342,577.08
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Solution
The fourth proportional to 629,051.40, 868,101.30 and 342,577.08 is: 472,762.02
Step by Step Solution
- Step 1: Write the proportion equation
629,051.40 : 868,101.30 = 342,577.08 : x - Step 2: Convert to fraction form
629,051.40/868,101.30 = 342,577.08/x - Step 3: Cross multiply
629,051.40x = 868,101.30 × 342,577.08 - Step 4: Simplify right side
629,051.40x = 297,391,608,498.20 - Step 5: Solve for x
x = 297,391,608,498.20/629,051.40 - Step 6: Final answer
x = 472,762.02
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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.