Finding the Fourth Proportional to 346,499.58, 478,164.37 and 193,539.95
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Solution
The fourth proportional to 346,499.58, 478,164.37 and 193,539.95 is: 267,082.31
Step by Step Solution
- Step 1: Write the proportion equation
346,499.58 : 478,164.37 = 193,539.95 : x - Step 2: Convert to fraction form
346,499.58/478,164.37 = 193,539.95/x - Step 3: Cross multiply
346,499.58x = 478,164.37 × 193,539.95 - Step 4: Simplify right side
346,499.58x = 92,543,908,261.58 - Step 5: Solve for x
x = 92,543,908,261.58/346,499.58 - Step 6: Final answer
x = 267,082.31
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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.