Finding the Fourth Proportional to 497,430.44, 686,434.02 and 271,071.08
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Solution
The fourth proportional to 497,430.44, 686,434.02 and 271,071.08 is: 374,067.20
Step by Step Solution
- Step 1: Write the proportion equation
497,430.44 : 686,434.02 = 271,071.08 : x - Step 2: Convert to fraction form
497,430.44/686,434.02 = 271,071.08/x - Step 3: Cross multiply
497,430.44x = 686,434.02 × 271,071.08 - Step 4: Simplify right side
497,430.44x = 186,072,411,150.14 - Step 5: Solve for x
x = 186,072,411,150.14/497,430.44 - Step 6: Final answer
x = 374,067.20
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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.