Finding the Fourth Proportional to 331,888.59, 497,387.79 and 310,630.95
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Solution
The fourth proportional to 331,888.59, 497,387.79 and 310,630.95 is: 465,529.84
Step by Step Solution
- Step 1: Write the proportion equation
331,888.59 : 497,387.79 = 310,630.95 : x - Step 2: Convert to fraction form
331,888.59/497,387.79 = 310,630.95/x - Step 3: Cross multiply
331,888.59x = 497,387.79 × 310,630.95 - Step 4: Simplify right side
331,888.59x = 154,504,041,726.10 - Step 5: Solve for x
x = 154,504,041,726.10/331,888.59 - Step 6: Final answer
x = 465,529.84
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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.