Finding the Fourth Proportional to 497,476.08, 745,836.84 and 257,332.72
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Solution
The fourth proportional to 497,476.08, 745,836.84 and 257,332.72 is: 385,803.92
Step by Step Solution
- Step 1: Write the proportion equation
497,476.08 : 745,836.84 = 257,332.72 : x - Step 2: Convert to fraction form
497,476.08/745,836.84 = 257,332.72/x - Step 3: Cross multiply
497,476.08x = 745,836.84 × 257,332.72 - Step 4: Simplify right side
497,476.08x = 191,928,222,713.41 - Step 5: Solve for x
x = 191,928,222,713.41/497,476.08 - Step 6: Final answer
x = 385,803.92
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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.