Finding the Fourth Proportional to 130,837.95, 196,257.12 and 37,343.70
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Solution
The fourth proportional to 130,837.95, 196,257.12 and 37,343.70 is: 56,015.61
Step by Step Solution
- Step 1: Write the proportion equation
130,837.95 : 196,257.12 = 37,343.70 : x - Step 2: Convert to fraction form
130,837.95/196,257.12 = 37,343.70/x - Step 3: Cross multiply
130,837.95x = 196,257.12 × 37,343.70 - Step 4: Simplify right side
130,837.95x = 7,328,967,012.14 - Step 5: Solve for x
x = 7,328,967,012.14/130,837.95 - Step 6: Final answer
x = 56,015.61
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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.