Finding the Fourth Proportional to 407,641.07, 611,265.08 and 170,920.19
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Solution
The fourth proportional to 407,641.07, 611,265.08 and 170,920.19 is: 256,297.89
Step by Step Solution
- Step 1: Write the proportion equation
407,641.07 : 611,265.08 = 170,920.19 : x - Step 2: Convert to fraction form
407,641.07/611,265.08 = 170,920.19/x - Step 3: Cross multiply
407,641.07x = 611,265.08 × 170,920.19 - Step 4: Simplify right side
407,641.07x = 104,477,545,569.43 - Step 5: Solve for x
x = 104,477,545,569.43/407,641.07 - Step 6: Final answer
x = 256,297.89
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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.