Finding the Fourth Proportional to 386,927.92, 533,934.50 and 214,837.02
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Solution
The fourth proportional to 386,927.92, 533,934.50 and 214,837.02 is: 296,460.63
Step by Step Solution
- Step 1: Write the proportion equation
386,927.92 : 533,934.50 = 214,837.02 : x - Step 2: Convert to fraction form
386,927.92/533,934.50 = 214,837.02/x - Step 3: Cross multiply
386,927.92x = 533,934.50 × 214,837.02 - Step 4: Simplify right side
386,927.92x = 114,708,896,855.19 - Step 5: Solve for x
x = 114,708,896,855.19/386,927.92 - Step 6: Final answer
x = 296,460.63
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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.