Finding the Fourth Proportional to 319,227.12, 440,536.44 and 175,992.29
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Solution
The fourth proportional to 319,227.12, 440,536.44 and 175,992.29 is: 242,871.02
Step by Step Solution
- Step 1: Write the proportion equation
319,227.12 : 440,536.44 = 175,992.29 : x - Step 2: Convert to fraction form
319,227.12/440,536.44 = 175,992.29/x - Step 3: Cross multiply
319,227.12x = 440,536.44 × 175,992.29 - Step 4: Simplify right side
319,227.12x = 77,531,016,904.05 - Step 5: Solve for x
x = 77,531,016,904.05/319,227.12 - Step 6: Final answer
x = 242,871.02
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.