Finding the Fourth Proportional to 357,713.55, 493,537.05 and 214,421.31
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Solution
The fourth proportional to 357,713.55, 493,537.05 and 214,421.31 is: 295,836.88
Step by Step Solution
- Step 1: Write the proportion equation
357,713.55 : 493,537.05 = 214,421.31 : x - Step 2: Convert to fraction form
357,713.55/493,537.05 = 214,421.31/x - Step 3: Cross multiply
357,713.55x = 493,537.05 × 214,421.31 - Step 4: Simplify right side
357,713.55x = 105,824,860,794.54 - Step 5: Solve for x
x = 105,824,860,794.54/357,713.55 - Step 6: Final answer
x = 295,836.88
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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.