Finding the Fourth Proportional to 346,485.51, 478,118.91 and 193,502.49
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Solution
The fourth proportional to 346,485.51, 478,118.91 and 193,502.49 is: 267,016.07
Step by Step Solution
- Step 1: Write the proportion equation
346,485.51 : 478,118.91 = 193,502.49 : x - Step 2: Convert to fraction form
346,485.51/478,118.91 = 193,502.49/x - Step 3: Cross multiply
346,485.51x = 478,118.91 × 193,502.49 - Step 4: Simplify right side
346,485.51x = 92,517,199,601.09 - Step 5: Solve for x
x = 92,517,199,601.09/346,485.51 - Step 6: Final answer
x = 267,016.07
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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.