Finding the Fourth Proportional to 275,555.79, 412,948.80 and 148,923.09
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Solution
The fourth proportional to 275,555.79, 412,948.80 and 148,923.09 is: 223,176.63
Step by Step Solution
- Step 1: Write the proportion equation
275,555.79 : 412,948.80 = 148,923.09 : x - Step 2: Convert to fraction form
275,555.79/412,948.80 = 148,923.09/x - Step 3: Cross multiply
275,555.79x = 412,948.80 × 148,923.09 - Step 4: Simplify right side
275,555.79x = 61,497,611,307.79 - Step 5: Solve for x
x = 61,497,611,307.79/275,555.79 - Step 6: Final answer
x = 223,176.63
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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.