Finding the Fourth Proportional to 319,560.63, 440,993.36 and 176,320.68
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Solution
The fourth proportional to 319,560.63, 440,993.36 and 176,320.68 is: 243,322.36
Step by Step Solution
- Step 1: Write the proportion equation
319,560.63 : 440,993.36 = 176,320.68 : x - Step 2: Convert to fraction form
319,560.63/440,993.36 = 176,320.68/x - Step 3: Cross multiply
319,560.63x = 440,993.36 × 176,320.68 - Step 4: Simplify right side
319,560.63x = 77,756,248,229.08 - Step 5: Solve for x
x = 77,756,248,229.08/319,560.63 - Step 6: Final answer
x = 243,322.36
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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.