Finding the Fourth Proportional to 351,654.84, 485,358.84 and 229,299.96
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Solution
The fourth proportional to 351,654.84, 485,358.84 and 229,299.96 is: 316,482.95
Step by Step Solution
- Step 1: Write the proportion equation
351,654.84 : 485,358.84 = 229,299.96 : x - Step 2: Convert to fraction form
351,654.84/485,358.84 = 229,299.96/x - Step 3: Cross multiply
351,654.84x = 485,358.84 × 229,299.96 - Step 4: Simplify right side
351,654.84x = 111,292,762,597.65 - Step 5: Solve for x
x = 111,292,762,597.65/351,654.84 - Step 6: Final answer
x = 316,482.95
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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.