Finding the Fourth Proportional to 238,920.74, 329,703.99 and 135,573.76
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Solution
The fourth proportional to 238,920.74, 329,703.99 and 135,573.76 is: 187,088.03
Step by Step Solution
- Step 1: Write the proportion equation
238,920.74 : 329,703.99 = 135,573.76 : x - Step 2: Convert to fraction form
238,920.74/329,703.99 = 135,573.76/x - Step 3: Cross multiply
238,920.74x = 329,703.99 × 135,573.76 - Step 4: Simplify right side
238,920.74x = 44,699,209,611.30 - Step 5: Solve for x
x = 44,699,209,611.30/238,920.74 - Step 6: Final answer
x = 187,088.03
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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.