Finding the Fourth Proportional to 376,580.16, 519,683.04 and 206,812.80
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Solution
The fourth proportional to 376,580.16, 519,683.04 and 206,812.80 is: 285,402.99
Step by Step Solution
- Step 1: Write the proportion equation
376,580.16 : 519,683.04 = 206,812.80 : x - Step 2: Convert to fraction form
376,580.16/519,683.04 = 206,812.80/x - Step 3: Cross multiply
376,580.16x = 519,683.04 × 206,812.80 - Step 4: Simplify right side
376,580.16x = 107,477,104,614.91 - Step 5: Solve for x
x = 107,477,104,614.91/376,580.16 - Step 6: Final answer
x = 285,402.99
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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.