Finding the Fourth Proportional to 359,112.08, 495,577.99 and 197,972.90
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Solution
The fourth proportional to 359,112.08, 495,577.99 and 197,972.90 is: 273,204.43
Step by Step Solution
- Step 1: Write the proportion equation
359,112.08 : 495,577.99 = 197,972.90 : x - Step 2: Convert to fraction form
359,112.08/495,577.99 = 197,972.90/x - Step 3: Cross multiply
359,112.08x = 495,577.99 × 197,972.90 - Step 4: Simplify right side
359,112.08x = 98,111,011,856.47 - Step 5: Solve for x
x = 98,111,011,856.47/359,112.08 - Step 6: Final answer
x = 273,204.43
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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.