Finding the Fourth Proportional to 178,355.62, 246,130.71 and 97,781.41
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Solution
The fourth proportional to 178,355.62, 246,130.71 and 97,781.41 is: 134,938.32
Step by Step Solution
- Step 1: Write the proportion equation
178,355.62 : 246,130.71 = 97,781.41 : x - Step 2: Convert to fraction form
178,355.62/246,130.71 = 97,781.41/x - Step 3: Cross multiply
178,355.62x = 246,130.71 × 97,781.41 - Step 4: Simplify right side
178,355.62x = 24,067,007,868.10 - Step 5: Solve for x
x = 24,067,007,868.10/178,355.62 - Step 6: Final answer
x = 134,938.32
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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.