Finding the Fourth Proportional to 422,312.26, 633,497.96 and 169,592.74
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Solution
The fourth proportional to 422,312.26, 633,497.96 and 169,592.74 is: 254,400.98
Step by Step Solution
- Step 1: Write the proportion equation
422,312.26 : 633,497.96 = 169,592.74 : x - Step 2: Convert to fraction form
422,312.26/633,497.96 = 169,592.74/x - Step 3: Cross multiply
422,312.26x = 633,497.96 × 169,592.74 - Step 4: Simplify right side
422,312.26x = 107,436,654,820.81 - Step 5: Solve for x
x = 107,436,654,820.81/422,312.26 - Step 6: Final answer
x = 254,400.98
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1.5x scale
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.