Finding the Fourth Proportional to 407,085.84, 610,197.53 and 136,956.74
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Solution
The fourth proportional to 407,085.84, 610,197.53 and 136,956.74 is: 205,290.02
Step by Step Solution
- Step 1: Write the proportion equation
407,085.84 : 610,197.53 = 136,956.74 : x - Step 2: Convert to fraction form
407,085.84/610,197.53 = 136,956.74/x - Step 3: Cross multiply
407,085.84x = 610,197.53 × 136,956.74 - Step 4: Simplify right side
407,085.84x = 83,570,660,729.08 - Step 5: Solve for x
x = 83,570,660,729.08/407,085.84 - Step 6: Final answer
x = 205,290.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.