Finding the Fourth Proportional to 236,945.84, 355,437.12 and 79,174.84
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Solution
The fourth proportional to 236,945.84, 355,437.12 and 79,174.84 is: 118,768.39
Step by Step Solution
- Step 1: Write the proportion equation
236,945.84 : 355,437.12 = 79,174.84 : x - Step 2: Convert to fraction form
236,945.84/355,437.12 = 79,174.84/x - Step 3: Cross multiply
236,945.84x = 355,437.12 × 79,174.84 - Step 4: Simplify right side
236,945.84x = 28,141,677,106.06 - Step 5: Solve for x
x = 28,141,677,106.06/236,945.84 - Step 6: Final answer
x = 118,768.39
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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.