Finding the Fourth Proportional to 133,338.34, 184,008.88 and 90,330.99
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Solution
The fourth proportional to 133,338.34, 184,008.88 and 90,330.99 is: 124,658.10
Step by Step Solution
- Step 1: Write the proportion equation
133,338.34 : 184,008.88 = 90,330.99 : x - Step 2: Convert to fraction form
133,338.34/184,008.88 = 90,330.99/x - Step 3: Cross multiply
133,338.34x = 184,008.88 × 90,330.99 - Step 4: Simplify right side
133,338.34x = 16,621,704,299.19 - Step 5: Solve for x
x = 16,621,704,299.19/133,338.34 - Step 6: Final answer
x = 124,658.10
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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.