Finding the Fourth Proportional to 274,852.90, 412,133.55 and 97,365.70
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Solution
The fourth proportional to 274,852.90, 412,133.55 and 97,365.70 is: 145,996.90
Step by Step Solution
- Step 1: Write the proportion equation
274,852.90 : 412,133.55 = 97,365.70 : x - Step 2: Convert to fraction form
274,852.90/412,133.55 = 97,365.70/x - Step 3: Cross multiply
274,852.90x = 412,133.55 × 97,365.70 - Step 4: Simplify right side
274,852.90x = 40,127,671,589.24 - Step 5: Solve for x
x = 40,127,671,589.24/274,852.90 - Step 6: Final answer
x = 145,996.90
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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.