Finding the Fourth Proportional to 316,365.70, 436,584.66 and 173,125.79
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Solution
The fourth proportional to 316,365.70, 436,584.66 and 173,125.79 is: 238,913.59
Step by Step Solution
- Step 1: Write the proportion equation
316,365.70 : 436,584.66 = 173,125.79 : x - Step 2: Convert to fraction form
316,365.70/436,584.66 = 173,125.79/x - Step 3: Cross multiply
316,365.70x = 436,584.66 × 173,125.79 - Step 4: Simplify right side
316,365.70x = 75,584,064,164.38 - Step 5: Solve for x
x = 75,584,064,164.38/316,365.70 - Step 6: Final answer
x = 238,913.59
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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.