Finding the Fourth Proportional to 133,604.81, 184,328.87 and 76,202.67
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Solution
The fourth proportional to 133,604.81, 184,328.87 and 76,202.67 is: 105,133.58
Step by Step Solution
- Step 1: Write the proportion equation
133,604.81 : 184,328.87 = 76,202.67 : x - Step 2: Convert to fraction form
133,604.81/184,328.87 = 76,202.67/x - Step 3: Cross multiply
133,604.81x = 184,328.87 × 76,202.67 - Step 4: Simplify right side
133,604.81x = 14,046,352,052.08 - Step 5: Solve for x
x = 14,046,352,052.08/133,604.81 - Step 6: Final answer
x = 105,133.58
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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.