Finding the Fourth Proportional to 133,048.24, 183,571.50 and 75,688.08
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Solution
The fourth proportional to 133,048.24, 183,571.50 and 75,688.08 is: 104,429.60
Step by Step Solution
- Step 1: Write the proportion equation
133,048.24 : 183,571.50 = 75,688.08 : x - Step 2: Convert to fraction form
133,048.24/183,571.50 = 75,688.08/x - Step 3: Cross multiply
133,048.24x = 183,571.50 × 75,688.08 - Step 4: Simplify right side
133,048.24x = 13,894,174,377.72 - Step 5: Solve for x
x = 13,894,174,377.72/133,048.24 - Step 6: Final answer
x = 104,429.60
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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.