Finding the Fourth Proportional to 395,645.00, 545,688.86 and 340,548.10
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Solution
The fourth proportional to 395,645.00, 545,688.86 and 340,548.10 is: 469,697.09
Step by Step Solution
- Step 1: Write the proportion equation
395,645.00 : 545,688.86 = 340,548.10 : x - Step 2: Convert to fraction form
395,645.00/545,688.86 = 340,548.10/x - Step 3: Cross multiply
395,645.00x = 545,688.86 × 340,548.10 - Step 4: Simplify right side
395,645.00x = 185,833,301,397.20 - Step 5: Solve for x
x = 185,833,301,397.20/395,645.00 - Step 6: Final answer
x = 469,697.09
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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.