Finding the Fourth Proportional to 302,213.08, 453,335.84 and 77,575.56
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Solution
The fourth proportional to 302,213.08, 453,335.84 and 77,575.56 is: 116,367.50
Step by Step Solution
- Step 1: Write the proportion equation
302,213.08 : 453,335.84 = 77,575.56 : x - Step 2: Convert to fraction form
302,213.08/453,335.84 = 77,575.56/x - Step 3: Cross multiply
302,213.08x = 453,335.84 × 77,575.56 - Step 4: Simplify right side
302,213.08x = 35,167,781,656.07 - Step 5: Solve for x
x = 35,167,781,656.07/302,213.08 - Step 6: Final answer
x = 116,367.50
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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.