Finding the Fourth Proportional to 549,058.79, 757,664.52 and 304,035.21
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Solution
The fourth proportional to 549,058.79, 757,664.52 and 304,035.21 is: 419,548.32
Step by Step Solution
- Step 1: Write the proportion equation
549,058.79 : 757,664.52 = 304,035.21 : x - Step 2: Convert to fraction form
549,058.79/757,664.52 = 304,035.21/x - Step 3: Cross multiply
549,058.79x = 757,664.52 × 304,035.21 - Step 4: Simplify right side
549,058.79x = 230,356,691,447.75 - Step 5: Solve for x
x = 230,356,691,447.75/549,058.79 - Step 6: Final answer
x = 419,548.32
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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.