Finding the Fourth Proportional to 316,330.70, 436,543.43 and 173,090.70
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Solution
The fourth proportional to 316,330.70, 436,543.43 and 173,090.70 is: 238,869.03
Step by Step Solution
- Step 1: Write the proportion equation
316,330.70 : 436,543.43 = 173,090.70 : x - Step 2: Convert to fraction form
316,330.70/436,543.43 = 173,090.70/x - Step 3: Cross multiply
316,330.70x = 436,543.43 × 173,090.70 - Step 4: Simplify right side
316,330.70x = 75,561,607,013.65 - Step 5: Solve for x
x = 75,561,607,013.65/316,330.70 - Step 6: Final answer
x = 238,869.03
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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.