Finding the Fourth Proportional to 364,547.70, 546,821.55 and 331,305.30
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Solution
The fourth proportional to 364,547.70, 546,821.55 and 331,305.30 is: 496,957.95
Step by Step Solution
- Step 1: Write the proportion equation
364,547.70 : 546,821.55 = 331,305.30 : x - Step 2: Convert to fraction form
364,547.70/546,821.55 = 331,305.30/x - Step 3: Cross multiply
364,547.70x = 546,821.55 × 331,305.30 - Step 4: Simplify right side
364,547.70x = 181,164,877,669.22 - Step 5: Solve for x
x = 181,164,877,669.22/364,547.70 - Step 6: Final answer
x = 496,957.95
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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.