Finding the Fourth Proportional to 103,693.08, 155,513.70 and 29,821.08
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Solution
The fourth proportional to 103,693.08, 155,513.70 and 29,821.08 is: 44,724.17
Step by Step Solution
- Step 1: Write the proportion equation
103,693.08 : 155,513.70 = 29,821.08 : x - Step 2: Convert to fraction form
103,693.08/155,513.70 = 29,821.08/x - Step 3: Cross multiply
103,693.08x = 155,513.70 × 29,821.08 - Step 4: Simplify right side
103,693.08x = 4,637,586,488.80 - Step 5: Solve for x
x = 4,637,586,488.80/103,693.08 - Step 6: Final answer
x = 44,724.17
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1.5x scale
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.