Finding the Fourth Proportional to 194,655.42, 268,643.32 and 118,156.93
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Solution
The fourth proportional to 194,655.42, 268,643.32 and 118,156.93 is: 163,067.99
Step by Step Solution
- Step 1: Write the proportion equation
194,655.42 : 268,643.32 = 118,156.93 : x - Step 2: Convert to fraction form
194,655.42/268,643.32 = 118,156.93/x - Step 3: Cross multiply
194,655.42x = 268,643.32 × 118,156.93 - Step 4: Simplify right side
194,655.42x = 31,742,068,989.21 - Step 5: Solve for x
x = 31,742,068,989.21/194,655.42 - Step 6: Final answer
x = 163,067.99
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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.