Finding the Fourth Proportional to 370,244.88, 510,555.96 and 316,707.12
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Solution
The fourth proportional to 370,244.88, 510,555.96 and 316,707.12 is: 436,729.09
Step by Step Solution
- Step 1: Write the proportion equation
370,244.88 : 510,555.96 = 316,707.12 : x - Step 2: Convert to fraction form
370,244.88/510,555.96 = 316,707.12/x - Step 3: Cross multiply
370,244.88x = 510,555.96 × 316,707.12 - Step 4: Simplify right side
370,244.88x = 161,696,707,690.44 - Step 5: Solve for x
x = 161,696,707,690.44/370,244.88 - Step 6: Final answer
x = 436,729.09
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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.