Finding the Fourth Proportional to 141,204.70, 211,807.05 and 121,521.70
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Solution
The fourth proportional to 141,204.70, 211,807.05 and 121,521.70 is: 182,282.55
Step by Step Solution
- Step 1: Write the proportion equation
141,204.70 : 211,807.05 = 121,521.70 : x - Step 2: Convert to fraction form
141,204.70/211,807.05 = 121,521.70/x - Step 3: Cross multiply
141,204.70x = 211,807.05 × 121,521.70 - Step 4: Simplify right side
141,204.70x = 25,739,152,787.99 - Step 5: Solve for x
x = 25,739,152,787.99/141,204.70 - Step 6: Final answer
x = 182,282.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.