Finding the Fourth Proportional to 316,864.60, 474,422.10 and 246,880.60
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Solution
The fourth proportional to 316,864.60, 474,422.10 and 246,880.60 is: 369,639.31
Step by Step Solution
- Step 1: Write the proportion equation
316,864.60 : 474,422.10 = 246,880.60 : x - Step 2: Convert to fraction form
316,864.60/474,422.10 = 246,880.60/x - Step 3: Cross multiply
316,864.60x = 474,422.10 × 246,880.60 - Step 4: Simplify right side
316,864.60x = 117,125,612,701.26 - Step 5: Solve for x
x = 117,125,612,701.26/316,864.60 - Step 6: Final answer
x = 369,639.31
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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.