Finding the Fourth Proportional to 457,005.15, 630,659.37 and 253,051.68
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Solution
The fourth proportional to 457,005.15, 630,659.37 and 253,051.68 is: 349,207.03
Step by Step Solution
- Step 1: Write the proportion equation
457,005.15 : 630,659.37 = 253,051.68 : x - Step 2: Convert to fraction form
457,005.15/630,659.37 = 253,051.68/x - Step 3: Cross multiply
457,005.15x = 630,659.37 × 253,051.68 - Step 4: Simplify right side
457,005.15x = 159,589,413,086.24 - Step 5: Solve for x
x = 159,589,413,086.24/457,005.15 - Step 6: Final answer
x = 349,207.03
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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.