Finding the Fourth Proportional to 281,341.55, 388,251.29 and 152,279.99
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Solution
The fourth proportional to 281,341.55, 388,251.29 and 152,279.99 is: 210,146.35
Step by Step Solution
- Step 1: Write the proportion equation
281,341.55 : 388,251.29 = 152,279.99 : x - Step 2: Convert to fraction form
281,341.55/388,251.29 = 152,279.99/x - Step 3: Cross multiply
281,341.55x = 388,251.29 × 152,279.99 - Step 4: Simplify right side
281,341.55x = 59,122,900,617.43 - Step 5: Solve for x
x = 59,122,900,617.43/281,341.55 - Step 6: Final answer
x = 210,146.35
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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.