Finding the Fourth Proportional to 344,033.64, 474,763.14 and 193,129.56
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Solution
The fourth proportional to 344,033.64, 474,763.14 and 193,129.56 is: 266,516.95
Step by Step Solution
- Step 1: Write the proportion equation
344,033.64 : 474,763.14 = 193,129.56 : x - Step 2: Convert to fraction form
344,033.64/474,763.14 = 193,129.56/x - Step 3: Cross multiply
344,033.64x = 474,763.14 × 193,129.56 - Step 4: Simplify right side
344,033.64x = 91,690,796,332.42 - Step 5: Solve for x
x = 91,690,796,332.42/344,033.64 - Step 6: Final answer
x = 266,516.95
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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.