Finding the Fourth Proportional to 176,451.52, 243,475.68 and 104,829.70
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Solution
The fourth proportional to 176,451.52, 243,475.68 and 104,829.70 is: 144,648.70
Step by Step Solution
- Step 1: Write the proportion equation
176,451.52 : 243,475.68 = 104,829.70 : x - Step 2: Convert to fraction form
176,451.52/243,475.68 = 104,829.70/x - Step 3: Cross multiply
176,451.52x = 243,475.68 × 104,829.70 - Step 4: Simplify right side
176,451.52x = 25,523,481,883.01 - Step 5: Solve for x
x = 25,523,481,883.01/176,451.52 - Step 6: Final answer
x = 144,648.70
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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.