Finding the Fourth Proportional to 448,968.60, 619,682.70 and 258,092.70
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Solution
The fourth proportional to 448,968.60, 619,682.70 and 258,092.70 is: 356,228.88
Step by Step Solution
- Step 1: Write the proportion equation
448,968.60 : 619,682.70 = 258,092.70 : x - Step 2: Convert to fraction form
448,968.60/619,682.70 = 258,092.70/x - Step 3: Cross multiply
448,968.60x = 619,682.70 × 258,092.70 - Step 4: Simplify right side
448,968.60x = 159,935,581,186.29 - Step 5: Solve for x
x = 159,935,581,186.29/448,968.60 - Step 6: Final answer
x = 356,228.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.