Finding the Fourth Proportional to 446,965.08, 616,760.10 and 255,967.08
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Solution
The fourth proportional to 446,965.08, 616,760.10 and 255,967.08 is: 353,204.96
Step by Step Solution
- Step 1: Write the proportion equation
446,965.08 : 616,760.10 = 255,967.08 : x - Step 2: Convert to fraction form
446,965.08/616,760.10 = 255,967.08/x - Step 3: Cross multiply
446,965.08x = 616,760.10 × 255,967.08 - Step 4: Simplify right side
446,965.08x = 157,870,281,857.51 - Step 5: Solve for x
x = 157,870,281,857.51/446,965.08 - Step 6: Final answer
x = 353,204.96
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1.5x scale
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.