Finding the Fourth Proportional to 133,026.48, 183,580.43 and 72,600.99
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Solution
The fourth proportional to 133,026.48, 183,580.43 and 72,600.99 is: 100,191.48
Step by Step Solution
- Step 1: Write the proportion equation
133,026.48 : 183,580.43 = 72,600.99 : x - Step 2: Convert to fraction form
133,026.48/183,580.43 = 72,600.99/x - Step 3: Cross multiply
133,026.48x = 183,580.43 × 72,600.99 - Step 4: Simplify right side
133,026.48x = 13,328,119,911.19 - Step 5: Solve for x
x = 13,328,119,911.19/133,026.48 - Step 6: Final answer
x = 100,191.48
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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.