Finding the Fourth Proportional to 218,045.34, 300,927.50 and 121,258.84
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Solution
The fourth proportional to 218,045.34, 300,927.50 and 121,258.84 is: 167,351.06
Step by Step Solution
- Step 1: Write the proportion equation
218,045.34 : 300,927.50 = 121,258.84 : x - Step 2: Convert to fraction form
218,045.34/300,927.50 = 121,258.84/x - Step 3: Cross multiply
218,045.34x = 300,927.50 × 121,258.84 - Step 4: Simplify right side
218,045.34x = 36,490,119,574.10 - Step 5: Solve for x
x = 36,490,119,574.10/218,045.34 - Step 6: Final answer
x = 167,351.06
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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.