Finding the Fourth Proportional to 331,315.18, 495,990.99 and 204,547.84
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Solution
The fourth proportional to 331,315.18, 495,990.99 and 204,547.84 is: 306,215.63
Step by Step Solution
- Step 1: Write the proportion equation
331,315.18 : 495,990.99 = 204,547.84 : x - Step 2: Convert to fraction form
331,315.18/495,990.99 = 204,547.84/x - Step 3: Cross multiply
331,315.18x = 495,990.99 × 204,547.84 - Step 4: Simplify right side
331,315.18x = 101,453,885,663.96 - Step 5: Solve for x
x = 101,453,885,663.96/331,315.18 - Step 6: Final answer
x = 306,215.63
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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.