Finding the Fourth Proportional to 419,226.94, 578,543.58 and 228,250.84
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Solution
The fourth proportional to 419,226.94, 578,543.58 and 228,250.84 is: 314,991.82
Step by Step Solution
- Step 1: Write the proportion equation
419,226.94 : 578,543.58 = 228,250.84 : x - Step 2: Convert to fraction form
419,226.94/578,543.58 = 228,250.84/x - Step 3: Cross multiply
419,226.94x = 578,543.58 × 228,250.84 - Step 4: Simplify right side
419,226.94x = 132,053,058,111.61 - Step 5: Solve for x
x = 132,053,058,111.61/419,226.94 - Step 6: Final answer
x = 314,991.82
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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.