Finding the Fourth Proportional to 197,207.64, 295,598.28 and 78,748.80
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Solution
The fourth proportional to 197,207.64, 295,598.28 and 78,748.80 is: 118,038.07
Step by Step Solution
- Step 1: Write the proportion equation
197,207.64 : 295,598.28 = 78,748.80 : x - Step 2: Convert to fraction form
197,207.64/295,598.28 = 78,748.80/x - Step 3: Cross multiply
197,207.64x = 295,598.28 × 78,748.80 - Step 4: Simplify right side
197,207.64x = 23,278,009,832.06 - Step 5: Solve for x
x = 23,278,009,832.06/197,207.64 - Step 6: Final answer
x = 118,038.07
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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.