Finding the Fourth Proportional to 328,655.14, 493,037.18 and 115,367.73
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Solution
The fourth proportional to 328,655.14, 493,037.18 and 115,367.73 is: 173,070.72
Step by Step Solution
- Step 1: Write the proportion equation
328,655.14 : 493,037.18 = 115,367.73 : x - Step 2: Convert to fraction form
328,655.14/493,037.18 = 115,367.73/x - Step 3: Cross multiply
328,655.14x = 493,037.18 × 115,367.73 - Step 4: Simplify right side
328,655.14x = 56,880,580,262.20 - Step 5: Solve for x
x = 56,880,580,262.20/328,655.14 - Step 6: Final answer
x = 173,070.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.