Finding the Fourth Proportional to 135,027.41, 186,336.05 and 74,598.17
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Solution
The fourth proportional to 135,027.41, 186,336.05 and 74,598.17 is: 102,944.49
Step by Step Solution
- Step 1: Write the proportion equation
135,027.41 : 186,336.05 = 74,598.17 : x - Step 2: Convert to fraction form
135,027.41/186,336.05 = 74,598.17/x - Step 3: Cross multiply
135,027.41x = 186,336.05 × 74,598.17 - Step 4: Simplify right side
135,027.41x = 13,900,327,030.36 - Step 5: Solve for x
x = 13,900,327,030.36/135,027.41 - Step 6: Final answer
x = 102,944.49
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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.