Finding the Fourth Proportional to 334,849.88, 462,214.14 and 221,709.08
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Solution
The fourth proportional to 334,849.88, 462,214.14 and 221,709.08 is: 306,038.85
Step by Step Solution
- Step 1: Write the proportion equation
334,849.88 : 462,214.14 = 221,709.08 : x - Step 2: Convert to fraction form
334,849.88/462,214.14 = 221,709.08/x - Step 3: Cross multiply
334,849.88x = 462,214.14 × 221,709.08 - Step 4: Simplify right side
334,849.88x = 102,477,071,742.39 - Step 5: Solve for x
x = 102,477,071,742.39/334,849.88 - Step 6: Final answer
x = 306,038.85
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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.