Finding the Fourth Proportional to 328,439.65, 453,260.16 and 207,536.82
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Solution
The fourth proportional to 328,439.65, 453,260.16 and 207,536.82 is: 286,409.31
Step by Step Solution
- Step 1: Write the proportion equation
328,439.65 : 453,260.16 = 207,536.82 : x - Step 2: Convert to fraction form
328,439.65/453,260.16 = 207,536.82/x - Step 3: Cross multiply
328,439.65x = 453,260.16 × 207,536.82 - Step 4: Simplify right side
328,439.65x = 94,068,172,239.09 - Step 5: Solve for x
x = 94,068,172,239.09/328,439.65 - Step 6: Final answer
x = 286,409.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.