Finding the Fourth Proportional to 329,551.12, 454,762.88 and 186,302.62
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Solution
The fourth proportional to 329,551.12, 454,762.88 and 186,302.62 is: 257,087.63
Step by Step Solution
- Step 1: Write the proportion equation
329,551.12 : 454,762.88 = 186,302.62 : x - Step 2: Convert to fraction form
329,551.12/454,762.88 = 186,302.62/x - Step 3: Cross multiply
329,551.12x = 454,762.88 × 186,302.62 - Step 4: Simplify right side
329,551.12x = 84,723,514,652.96 - Step 5: Solve for x
x = 84,723,514,652.96/329,551.12 - Step 6: Final answer
x = 257,087.63
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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.