Finding the Fourth Proportional to 304,718.36, 453,860.21 and 288,714.98
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Solution
The fourth proportional to 304,718.36, 453,860.21 and 288,714.98 is: 430,024.12
Step by Step Solution
- Step 1: Write the proportion equation
304,718.36 : 453,860.21 = 288,714.98 : x - Step 2: Convert to fraction form
304,718.36/453,860.21 = 288,714.98/x - Step 3: Cross multiply
304,718.36x = 453,860.21 × 288,714.98 - Step 4: Simplify right side
304,718.36x = 131,036,243,309.38 - Step 5: Solve for x
x = 131,036,243,309.38/304,718.36 - Step 6: Final answer
x = 430,024.12
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.