Finding the Fourth Proportional to 386,297.47, 533,089.67 and 214,211.17
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Solution
The fourth proportional to 386,297.47, 533,089.67 and 214,211.17 is: 295,610.94
Step by Step Solution
- Step 1: Write the proportion equation
386,297.47 : 533,089.67 = 214,211.17 : x - Step 2: Convert to fraction form
386,297.47/533,089.67 = 214,211.17/x - Step 3: Cross multiply
386,297.47x = 533,089.67 × 214,211.17 - Step 4: Simplify right side
386,297.47x = 114,193,759,727.23 - Step 5: Solve for x
x = 114,193,759,727.23/386,297.47 - Step 6: Final answer
x = 295,610.94
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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.