Finding the Fourth Proportional to 304,485.42, 420,176.95 and 168,506.65
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Solution
The fourth proportional to 304,485.42, 420,176.95 and 168,506.65 is: 232,532.02
Step by Step Solution
- Step 1: Write the proportion equation
304,485.42 : 420,176.95 = 168,506.65 : x - Step 2: Convert to fraction form
304,485.42/420,176.95 = 168,506.65/x - Step 3: Cross multiply
304,485.42x = 420,176.95 × 168,506.65 - Step 4: Simplify right side
304,485.42x = 70,802,610,251.72 - Step 5: Solve for x
x = 70,802,610,251.72/304,485.42 - Step 6: Final answer
x = 232,532.02
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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.