Finding the Fourth Proportional to 258,492.69, 356,479.25 and 167,751.63
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Solution
The fourth proportional to 258,492.69, 356,479.25 and 167,751.63 is: 231,341.07
Step by Step Solution
- Step 1: Write the proportion equation
258,492.69 : 356,479.25 = 167,751.63 : x - Step 2: Convert to fraction form
258,492.69/356,479.25 = 167,751.63/x - Step 3: Cross multiply
258,492.69x = 356,479.25 × 167,751.63 - Step 4: Simplify right side
258,492.69x = 59,799,974,409.92 - Step 5: Solve for x
x = 59,799,974,409.92/258,492.69 - Step 6: Final answer
x = 231,341.07
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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.