Finding the Fourth Proportional to 304,341.12, 420,103.68 and 229,107.84
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Solution
The fourth proportional to 304,341.12, 420,103.68 and 229,107.84 is: 316,253.84
Step by Step Solution
- Step 1: Write the proportion equation
304,341.12 : 420,103.68 = 229,107.84 : x - Step 2: Convert to fraction form
304,341.12/420,103.68 = 229,107.84/x - Step 3: Cross multiply
304,341.12x = 420,103.68 × 229,107.84 - Step 4: Simplify right side
304,341.12x = 96,249,046,700.85 - Step 5: Solve for x
x = 96,249,046,700.85/304,341.12 - Step 6: Final answer
x = 316,253.84
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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.