Finding the Fourth Proportional to 238,319.74, 328,888.92 and 137,717.74
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Solution
The fourth proportional to 238,319.74, 328,888.92 and 137,717.74 is: 190,054.92
Step by Step Solution
- Step 1: Write the proportion equation
238,319.74 : 328,888.92 = 137,717.74 : x - Step 2: Convert to fraction form
238,319.74/328,888.92 = 137,717.74/x - Step 3: Cross multiply
238,319.74x = 328,888.92 × 137,717.74 - Step 4: Simplify right side
238,319.74x = 45,293,838,773.44 - Step 5: Solve for x
x = 45,293,838,773.44/238,319.74 - Step 6: Final answer
x = 190,054.92
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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.