Finding the Fourth Proportional to 135,021.00, 186,328.09 and 74,595.54
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Solution
The fourth proportional to 135,021.00, 186,328.09 and 74,595.54 is: 102,941.35
Step by Step Solution
- Step 1: Write the proportion equation
135,021.00 : 186,328.09 = 74,595.54 : x - Step 2: Convert to fraction form
135,021.00/186,328.09 = 74,595.54/x - Step 3: Cross multiply
135,021.00x = 186,328.09 × 74,595.54 - Step 4: Simplify right side
135,021.00x = 13,899,243,372.59 - Step 5: Solve for x
x = 13,899,243,372.59/135,021.00 - Step 6: Final answer
x = 102,941.35
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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.