Finding the Fourth Proportional to 216,317.68, 298,516.75 and 125,726.74
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Solution
The fourth proportional to 216,317.68, 298,516.75 and 125,726.74 is: 173,501.94
Step by Step Solution
- Step 1: Write the proportion equation
216,317.68 : 298,516.75 = 125,726.74 : x - Step 2: Convert to fraction form
216,317.68/298,516.75 = 125,726.74/x - Step 3: Cross multiply
216,317.68x = 298,516.75 × 125,726.74 - Step 4: Simplify right side
216,317.68x = 37,531,537,812.90 - Step 5: Solve for x
x = 37,531,537,812.90/216,317.68 - Step 6: Final answer
x = 173,501.94
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1.5x scale
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.