Finding the Fourth Proportional to 432,816.09, 652,178.42 and 355,658.73
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Solution
The fourth proportional to 432,816.09, 652,178.42 and 355,658.73 is: 535,915.72
Step by Step Solution
- Step 1: Write the proportion equation
432,816.09 : 652,178.42 = 355,658.73 : x - Step 2: Convert to fraction form
432,816.09/652,178.42 = 355,658.73/x - Step 3: Cross multiply
432,816.09x = 652,178.42 × 355,658.73 - Step 4: Simplify right side
432,816.09x = 231,952,946,812.31 - Step 5: Solve for x
x = 231,952,946,812.31/432,816.09 - Step 6: Final answer
x = 535,915.72
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.