Finding the Fourth Proportional to 145,727.57, 201,104.51 and 84,485.70
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Solution
The fourth proportional to 145,727.57, 201,104.51 and 84,485.70 is: 116,590.53
Step by Step Solution
- Step 1: Write the proportion equation
145,727.57 : 201,104.51 = 84,485.70 : x - Step 2: Convert to fraction form
145,727.57/201,104.51 = 84,485.70/x - Step 3: Cross multiply
145,727.57x = 201,104.51 × 84,485.70 - Step 4: Simplify right side
145,727.57x = 16,990,454,878.08 - Step 5: Solve for x
x = 16,990,454,878.08/145,727.57 - Step 6: Final answer
x = 116,590.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.