Finding the Fourth Proportional to 357,351.99, 493,146.12 and 212,186.75
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Solution
The fourth proportional to 357,351.99, 493,146.12 and 212,186.75 is: 292,817.93
Step by Step Solution
- Step 1: Write the proportion equation
357,351.99 : 493,146.12 = 212,186.75 : x - Step 2: Convert to fraction form
357,351.99/493,146.12 = 212,186.75/x - Step 3: Cross multiply
357,351.99x = 493,146.12 × 212,186.75 - Step 4: Simplify right side
357,351.99x = 104,639,070,012.18 - Step 5: Solve for x
x = 104,639,070,012.18/357,351.99 - Step 6: Final answer
x = 292,817.93
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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.