Finding the Fourth Proportional to 316,250.79, 436,424.53 and 173,008.23
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Solution
The fourth proportional to 316,250.79, 436,424.53 and 173,008.23 is: 238,750.50
Step by Step Solution
- Step 1: Write the proportion equation
316,250.79 : 436,424.53 = 173,008.23 : x - Step 2: Convert to fraction form
316,250.79/436,424.53 = 173,008.23/x - Step 3: Cross multiply
316,250.79x = 436,424.53 × 173,008.23 - Step 4: Simplify right side
316,250.79x = 75,505,035,463.88 - Step 5: Solve for x
x = 75,505,035,463.88/316,250.79 - Step 6: Final answer
x = 238,750.50
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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.