Finding the Fourth Proportional to 355,797.36, 491,403.48 and 242,423.28
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Solution
The fourth proportional to 355,797.36, 491,403.48 and 242,423.28 is: 334,818.80
Step by Step Solution
- Step 1: Write the proportion equation
355,797.36 : 491,403.48 = 242,423.28 : x - Step 2: Convert to fraction form
355,797.36/491,403.48 = 242,423.28/x - Step 3: Cross multiply
355,797.36x = 491,403.48 × 242,423.28 - Step 4: Simplify right side
355,797.36x = 119,127,643,425.01 - Step 5: Solve for x
x = 119,127,643,425.01/355,797.36 - Step 6: Final answer
x = 334,818.80
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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.