Finding the Fourth Proportional to 212,902.23, 293,807.03 and 117,412.23
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Solution
The fourth proportional to 212,902.23, 293,807.03 and 117,412.23 is: 162,029.95
Step by Step Solution
- Step 1: Write the proportion equation
212,902.23 : 293,807.03 = 117,412.23 : x - Step 2: Convert to fraction form
212,902.23/293,807.03 = 117,412.23/x - Step 3: Cross multiply
212,902.23x = 293,807.03 × 117,412.23 - Step 4: Simplify right side
212,902.23x = 34,496,537,994.92 - Step 5: Solve for x
x = 34,496,537,994.92/212,902.23 - Step 6: Final answer
x = 162,029.95
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1.5x scale
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.