Finding the Fourth Proportional to 245,455.04, 368,289.18 and 133,214.56
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Solution
The fourth proportional to 245,455.04, 368,289.18 and 133,214.56 is: 199,879.70
Step by Step Solution
- Step 1: Write the proportion equation
245,455.04 : 368,289.18 = 133,214.56 : x - Step 2: Convert to fraction form
245,455.04/368,289.18 = 133,214.56/x - Step 3: Cross multiply
245,455.04x = 368,289.18 × 133,214.56 - Step 4: Simplify right side
245,455.04x = 49,061,480,145.74 - Step 5: Solve for x
x = 49,061,480,145.74/245,455.04 - Step 6: Final answer
x = 199,879.70
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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.