Finding the Fourth Proportional to 371,643.24, 557,464.68 and 105,406.08
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Solution
The fourth proportional to 371,643.24, 557,464.68 and 105,406.08 is: 158,109.07
Step by Step Solution
- Step 1: Write the proportion equation
371,643.24 : 557,464.68 = 105,406.08 : x - Step 2: Convert to fraction form
371,643.24/557,464.68 = 105,406.08/x - Step 3: Cross multiply
371,643.24x = 557,464.68 × 105,406.08 - Step 4: Simplify right side
371,643.24x = 58,760,166,657.25 - Step 5: Solve for x
x = 58,760,166,657.25/371,643.24 - Step 6: Final answer
x = 158,109.07
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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.