Finding the Fourth Proportional to 457,345.94, 631,125.14 and 263,749.05
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Solution
The fourth proportional to 457,345.94, 631,125.14 and 263,749.05 is: 363,966.62
Step by Step Solution
- Step 1: Write the proportion equation
457,345.94 : 631,125.14 = 263,749.05 : x - Step 2: Convert to fraction form
457,345.94/631,125.14 = 263,749.05/x - Step 3: Cross multiply
457,345.94x = 631,125.14 × 263,749.05 - Step 4: Simplify right side
457,345.94x = 166,458,654,787.37 - Step 5: Solve for x
x = 166,458,654,787.37/457,345.94 - Step 6: Final answer
x = 363,966.62
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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.