Finding the Fourth Proportional to 342,257.19, 472,332.63 and 197,084.53
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Solution
The fourth proportional to 342,257.19, 472,332.63 and 197,084.53 is: 271,986.85
Step by Step Solution
- Step 1: Write the proportion equation
342,257.19 : 472,332.63 = 197,084.53 : x - Step 2: Convert to fraction form
342,257.19/472,332.63 = 197,084.53/x - Step 3: Cross multiply
342,257.19x = 472,332.63 × 197,084.53 - Step 4: Simplify right side
342,257.19x = 93,089,454,387.21 - Step 5: Solve for x
x = 93,089,454,387.21/342,257.19 - Step 6: Final answer
x = 271,986.85
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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.