Finding the Fourth Proportional to 354,598.68, 489,336.53 and 193,453.71
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Solution
The fourth proportional to 354,598.68, 489,336.53 and 193,453.71 is: 266,960.85
Step by Step Solution
- Step 1: Write the proportion equation
354,598.68 : 489,336.53 = 193,453.71 : x - Step 2: Convert to fraction form
354,598.68/489,336.53 = 193,453.71/x - Step 3: Cross multiply
354,598.68x = 489,336.53 × 193,453.71 - Step 4: Simplify right side
354,598.68x = 94,663,964,364.75 - Step 5: Solve for x
x = 94,663,964,364.75/354,598.68 - Step 6: Final answer
x = 266,960.85
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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.