Finding the Fourth Proportional to 371,726.64, 557,541.97 and 118,985.99
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Solution
The fourth proportional to 371,726.64, 557,541.97 and 118,985.99 is: 178,463.62
Step by Step Solution
- Step 1: Write the proportion equation
371,726.64 : 557,541.97 = 118,985.99 : x - Step 2: Convert to fraction form
371,726.64/557,541.97 = 118,985.99/x - Step 3: Cross multiply
371,726.64x = 557,541.97 × 118,985.99 - Step 4: Simplify right side
371,726.64x = 66,339,680,181.83 - Step 5: Solve for x
x = 66,339,680,181.83/371,726.64 - Step 6: Final answer
x = 178,463.62
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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.