Finding the Fourth Proportional to 392,973.02, 542,302.78 and 214,125.02
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Solution
The fourth proportional to 392,973.02, 542,302.78 and 214,125.02 is: 295,492.53
Step by Step Solution
- Step 1: Write the proportion equation
392,973.02 : 542,302.78 = 214,125.02 : x - Step 2: Convert to fraction form
392,973.02/542,302.78 = 214,125.02/x - Step 3: Cross multiply
392,973.02x = 542,302.78 × 214,125.02 - Step 4: Simplify right side
392,973.02x = 116,120,593,613.56 - Step 5: Solve for x
x = 116,120,593,613.56/392,973.02 - Step 6: Final answer
x = 295,492.53
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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.