Finding the Fourth Proportional to 355,644.65, 533,842.95 and 347,613.07
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Solution
The fourth proportional to 355,644.65, 533,842.95 and 347,613.07 is: 521,787.08
Step by Step Solution
- Step 1: Write the proportion equation
355,644.65 : 533,842.95 = 347,613.07 : x - Step 2: Convert to fraction form
355,644.65/533,842.95 = 347,613.07/x - Step 3: Cross multiply
355,644.65x = 533,842.95 × 347,613.07 - Step 4: Simplify right side
355,644.65x = 185,570,782,340.08 - Step 5: Solve for x
x = 185,570,782,340.08/355,644.65 - Step 6: Final answer
x = 521,787.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.