Finding the Fourth Proportional to 316,288.19, 436,477.19 and 173,048.80
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Solution
The fourth proportional to 316,288.19, 436,477.19 and 173,048.80 is: 238,807.06
Step by Step Solution
- Step 1: Write the proportion equation
316,288.19 : 436,477.19 = 173,048.80 : x - Step 2: Convert to fraction form
316,288.19/436,477.19 = 173,048.80/x - Step 3: Cross multiply
316,288.19x = 436,477.19 × 173,048.80 - Step 4: Simplify right side
316,288.19x = 75,531,852,000.44 - Step 5: Solve for x
x = 75,531,852,000.44/316,288.19 - Step 6: Final answer
x = 238,807.06
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1.5x scale
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.