Finding the Fourth Proportional to 542,637.14, 748,841.22 and 300,942.05
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Solution
The fourth proportional to 542,637.14, 748,841.22 and 300,942.05 is: 415,301.12
Step by Step Solution
- Step 1: Write the proportion equation
542,637.14 : 748,841.22 = 300,942.05 : x - Step 2: Convert to fraction form
542,637.14/748,841.22 = 300,942.05/x - Step 3: Cross multiply
542,637.14x = 748,841.22 × 300,942.05 - Step 4: Simplify right side
542,637.14x = 225,357,808,127.10 - Step 5: Solve for x
x = 225,357,808,127.10/542,637.14 - Step 6: Final answer
x = 415,301.12
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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.