Finding the Fourth Proportional to 152,950.68, 229,385.93 and 68,663.70
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Solution
The fourth proportional to 152,950.68, 229,385.93 and 68,663.70 is: 102,977.55
Step by Step Solution
- Step 1: Write the proportion equation
152,950.68 : 229,385.93 = 68,663.70 : x - Step 2: Convert to fraction form
152,950.68/229,385.93 = 68,663.70/x - Step 3: Cross multiply
152,950.68x = 229,385.93 × 68,663.70 - Step 4: Simplify right side
152,950.68x = 15,750,486,338.42 - Step 5: Solve for x
x = 15,750,486,338.42/152,950.68 - Step 6: Final answer
x = 102,977.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.