Finding the Fourth Proportional to 194,657.42, 268,646.08 and 118,158.92
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Solution
The fourth proportional to 194,657.42, 268,646.08 and 118,158.92 is: 163,070.75
Step by Step Solution
- Step 1: Write the proportion equation
194,657.42 : 268,646.08 = 118,158.92 : x - Step 2: Convert to fraction form
194,657.42/268,646.08 = 118,158.92/x - Step 3: Cross multiply
194,657.42x = 268,646.08 × 118,158.92 - Step 4: Simplify right side
194,657.42x = 31,742,930,675.03 - Step 5: Solve for x
x = 31,742,930,675.03/194,657.42 - Step 6: Final answer
x = 163,070.75
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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.