Finding the Fourth Proportional to 407,881.95, 562,627.69 and 242,197.63
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Solution
The fourth proportional to 407,881.95, 562,627.69 and 242,197.63 is: 334,084.63
Step by Step Solution
- Step 1: Write the proportion equation
407,881.95 : 562,627.69 = 242,197.63 : x - Step 2: Convert to fraction form
407,881.95/562,627.69 = 242,197.63/x - Step 3: Cross multiply
407,881.95x = 562,627.69 × 242,197.63 - Step 4: Simplify right side
407,881.95x = 136,267,091,078.31 - Step 5: Solve for x
x = 136,267,091,078.31/407,881.95 - Step 6: Final answer
x = 334,084.63
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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.