Finding the Fourth Proportional to 216,312.93, 298,510.20 and 125,721.99
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Solution
The fourth proportional to 216,312.93, 298,510.20 and 125,721.99 is: 173,495.39
Step by Step Solution
- Step 1: Write the proportion equation
216,312.93 : 298,510.20 = 125,721.99 : x - Step 2: Convert to fraction form
216,312.93/298,510.20 = 125,721.99/x - Step 3: Cross multiply
216,312.93x = 298,510.20 × 125,721.99 - Step 4: Simplify right side
216,312.93x = 37,529,296,379.30 - Step 5: Solve for x
x = 37,529,296,379.30/216,312.93 - Step 6: Final answer
x = 173,495.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.