Finding the Fourth Proportional to 542,345.58, 748,197.36 and 381,305.82
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Solution
The fourth proportional to 542,345.58, 748,197.36 and 381,305.82 is: 526,033.62
Step by Step Solution
- Step 1: Write the proportion equation
542,345.58 : 748,197.36 = 381,305.82 : x - Step 2: Convert to fraction form
542,345.58/748,197.36 = 381,305.82/x - Step 3: Cross multiply
542,345.58x = 748,197.36 × 381,305.82 - Step 4: Simplify right side
542,345.58x = 285,292,007,876.64 - Step 5: Solve for x
x = 285,292,007,876.64/542,345.58 - Step 6: Final answer
x = 526,033.62
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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.