Finding the Fourth Proportional to 288,342.94, 432,606.94 and 138,594.08
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Solution
The fourth proportional to 288,342.94, 432,606.94 and 138,594.08 is: 207,935.60
Step by Step Solution
- Step 1: Write the proportion equation
288,342.94 : 432,606.94 = 138,594.08 : x - Step 2: Convert to fraction form
288,342.94/432,606.94 = 138,594.08/x - Step 3: Cross multiply
288,342.94x = 432,606.94 × 138,594.08 - Step 4: Simplify right side
288,342.94x = 59,956,760,850.92 - Step 5: Solve for x
x = 59,956,760,850.92/288,342.94 - Step 6: Final answer
x = 207,935.60
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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.