Finding the Fourth Proportional to 397,932.24, 549,156.36 and 216,654.12
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Solution
The fourth proportional to 397,932.24, 549,156.36 and 216,654.12 is: 298,988.06
Step by Step Solution
- Step 1: Write the proportion equation
397,932.24 : 549,156.36 = 216,654.12 : x - Step 2: Convert to fraction form
397,932.24/549,156.36 = 216,654.12/x - Step 3: Cross multiply
397,932.24x = 549,156.36 × 216,654.12 - Step 4: Simplify right side
397,932.24x = 118,976,988,730.66 - Step 5: Solve for x
x = 118,976,988,730.66/397,932.24 - Step 6: Final answer
x = 298,988.06
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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.