Finding the Fourth Proportional to 492,067.08, 679,102.74 and 301,206.60
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Solution
The fourth proportional to 492,067.08, 679,102.74 and 301,206.60 is: 415,695.82
Step by Step Solution
- Step 1: Write the proportion equation
492,067.08 : 679,102.74 = 301,206.60 : x - Step 2: Convert to fraction form
492,067.08/679,102.74 = 301,206.60/x - Step 3: Cross multiply
492,067.08x = 679,102.74 × 301,206.60 - Step 4: Simplify right side
492,067.08x = 204,550,227,366.08 - Step 5: Solve for x
x = 204,550,227,366.08/492,067.08 - Step 6: Final answer
x = 415,695.82
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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.