Finding the Fourth Proportional to 316,179.47, 436,316.61 and 180,257.19
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Solution
The fourth proportional to 316,179.47, 436,316.61 and 180,257.19 is: 248,748.62
Step by Step Solution
- Step 1: Write the proportion equation
316,179.47 : 436,316.61 = 180,257.19 : x - Step 2: Convert to fraction form
316,179.47/436,316.61 = 180,257.19/x - Step 3: Cross multiply
316,179.47x = 436,316.61 × 180,257.19 - Step 4: Simplify right side
316,179.47x = 78,649,204,337.99 - Step 5: Solve for x
x = 78,649,204,337.99/316,179.47 - Step 6: Final answer
x = 248,748.62
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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.