Finding the Fourth Proportional to 220,017.84, 303,628.14 and 119,415.84
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Solution
The fourth proportional to 220,017.84, 303,628.14 and 119,415.84 is: 164,795.77
Step by Step Solution
- Step 1: Write the proportion equation
220,017.84 : 303,628.14 = 119,415.84 : x - Step 2: Convert to fraction form
220,017.84/303,628.14 = 119,415.84/x - Step 3: Cross multiply
220,017.84x = 303,628.14 × 119,415.84 - Step 4: Simplify right side
220,017.84x = 36,258,009,385.74 - Step 5: Solve for x
x = 36,258,009,385.74/220,017.84 - Step 6: Final answer
x = 164,795.77
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1.5x scale
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.