Finding the Fourth Proportional to 386,266.96, 533,038.84 and 214,185.60
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Solution
The fourth proportional to 386,266.96, 533,038.84 and 214,185.60 is: 295,570.82
Step by Step Solution
- Step 1: Write the proportion equation
386,266.96 : 533,038.84 = 214,185.60 : x - Step 2: Convert to fraction form
386,266.96/533,038.84 = 214,185.60/x - Step 3: Cross multiply
386,266.96x = 533,038.84 × 214,185.60 - Step 4: Simplify right side
386,266.96x = 114,169,243,768.70 - Step 5: Solve for x
x = 114,169,243,768.70/386,266.96 - Step 6: Final answer
x = 295,570.82
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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.