Finding the Fourth Proportional to 386,623.29, 533,543.04 and 214,541.91
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Solution
The fourth proportional to 386,623.29, 533,543.04 and 214,541.91 is: 296,069.44
Step by Step Solution
- Step 1: Write the proportion equation
386,623.29 : 533,543.04 = 214,541.91 : x - Step 2: Convert to fraction form
386,623.29/533,543.04 = 214,541.91/x - Step 3: Cross multiply
386,623.29x = 533,543.04 × 214,541.91 - Step 4: Simplify right side
386,623.29x = 114,467,342,868.81 - Step 5: Solve for x
x = 114,467,342,868.81/386,623.29 - Step 6: Final answer
x = 296,069.44
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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.