Finding the Fourth Proportional to 419,092.04, 578,346.58 and 228,104.98
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Solution
The fourth proportional to 419,092.04, 578,346.58 and 228,104.98 is: 314,784.63
Step by Step Solution
- Step 1: Write the proportion equation
419,092.04 : 578,346.58 = 228,104.98 : x - Step 2: Convert to fraction form
419,092.04/578,346.58 = 228,104.98/x - Step 3: Cross multiply
419,092.04x = 578,346.58 × 228,104.98 - Step 4: Simplify right side
419,092.04x = 131,923,733,903.23 - Step 5: Solve for x
x = 131,923,733,903.23/419,092.04 - Step 6: Final answer
x = 314,784.63
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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.