Finding the Fourth Proportional to 221,283.99, 305,371.35 and 120,681.99
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Solution
The fourth proportional to 221,283.99, 305,371.35 and 120,681.99 is: 166,540.84
Step by Step Solution
- Step 1: Write the proportion equation
221,283.99 : 305,371.35 = 120,681.99 : x - Step 2: Convert to fraction form
221,283.99/305,371.35 = 120,681.99/x - Step 3: Cross multiply
221,283.99x = 305,371.35 × 120,681.99 - Step 4: Simplify right side
221,283.99x = 36,852,822,206.99 - Step 5: Solve for x
x = 36,852,822,206.99/221,283.99 - Step 6: Final answer
x = 166,540.84
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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.