Finding the Fourth Proportional to 238,174.26, 328,706.63 and 136,209.21
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Solution
The fourth proportional to 238,174.26, 328,706.63 and 136,209.21 is: 187,983.66
Step by Step Solution
- Step 1: Write the proportion equation
238,174.26 : 328,706.63 = 136,209.21 : x - Step 2: Convert to fraction form
238,174.26/328,706.63 = 136,209.21/x - Step 3: Cross multiply
238,174.26x = 328,706.63 × 136,209.21 - Step 4: Simplify right side
238,174.26x = 44,772,869,713.02 - Step 5: Solve for x
x = 44,772,869,713.02/238,174.26 - Step 6: Final answer
x = 187,983.66
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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.