Finding the Fourth Proportional to 296,479.43, 409,141.35 and 160,514.55
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Solution
The fourth proportional to 296,479.43, 409,141.35 and 160,514.55 is: 221,509.94
Step by Step Solution
- Step 1: Write the proportion equation
296,479.43 : 409,141.35 = 160,514.55 : x - Step 2: Convert to fraction form
296,479.43/409,141.35 = 160,514.55/x - Step 3: Cross multiply
296,479.43x = 409,141.35 × 160,514.55 - Step 4: Simplify right side
296,479.43x = 65,673,139,681.64 - Step 5: Solve for x
x = 65,673,139,681.64/296,479.43 - Step 6: Final answer
x = 221,509.94
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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.