Finding the Fourth Proportional to 542,688.36, 748,954.82 and 301,048.99
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Solution
The fourth proportional to 542,688.36, 748,954.82 and 301,048.99 is: 415,472.51
Step by Step Solution
- Step 1: Write the proportion equation
542,688.36 : 748,954.82 = 301,048.99 : x - Step 2: Convert to fraction form
542,688.36/748,954.82 = 301,048.99/x - Step 3: Cross multiply
542,688.36x = 748,954.82 × 301,048.99 - Step 4: Simplify right side
542,688.36x = 225,472,090,996.87 - Step 5: Solve for x
x = 225,472,090,996.87/542,688.36 - Step 6: Final answer
x = 415,472.51
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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.