Finding the Fourth Proportional to 152,634.68, 228,914.69 and 119,271.99
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Solution
The fourth proportional to 152,634.68, 228,914.69 and 119,271.99 is: 178,878.82
Step by Step Solution
- Step 1: Write the proportion equation
152,634.68 : 228,914.69 = 119,271.99 : x - Step 2: Convert to fraction form
152,634.68/228,914.69 = 119,271.99/x - Step 3: Cross multiply
152,634.68x = 228,914.69 × 119,271.99 - Step 4: Simplify right side
152,634.68x = 27,303,110,020.17 - Step 5: Solve for x
x = 27,303,110,020.17/152,634.68 - Step 6: Final answer
x = 178,878.82
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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.