Finding the Fourth Proportional to 329,723.43, 455,048.58 and 207,235.74
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Solution
The fourth proportional to 329,723.43, 455,048.58 and 207,235.74 is: 286,004.33
Step by Step Solution
- Step 1: Write the proportion equation
329,723.43 : 455,048.58 = 207,235.74 : x - Step 2: Convert to fraction form
329,723.43/455,048.58 = 207,235.74/x - Step 3: Cross multiply
329,723.43x = 455,048.58 × 207,235.74 - Step 4: Simplify right side
329,723.43x = 94,302,329,212.25 - Step 5: Solve for x
x = 94,302,329,212.25/329,723.43 - Step 6: Final answer
x = 286,004.33
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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.