Finding the Fourth Proportional to 153,503.21, 229,175.49 and 117,290.14
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Solution
The fourth proportional to 153,503.21, 229,175.49 and 117,290.14 is: 175,110.50
Step by Step Solution
- Step 1: Write the proportion equation
153,503.21 : 229,175.49 = 117,290.14 : x - Step 2: Convert to fraction form
153,503.21/229,175.49 = 117,290.14/x - Step 3: Cross multiply
153,503.21x = 229,175.49 × 117,290.14 - Step 4: Simplify right side
153,503.21x = 26,880,023,574.34 - Step 5: Solve for x
x = 26,880,023,574.34/153,503.21 - Step 6: Final answer
x = 175,110.50
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.