Finding the Fourth Proportional to 419,203.02, 578,482.02 and 228,217.08
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Solution
The fourth proportional to 419,203.02, 578,482.02 and 228,217.08 is: 314,929.69
Step by Step Solution
- Step 1: Write the proportion equation
419,203.02 : 578,482.02 = 228,217.08 : x - Step 2: Convert to fraction form
419,203.02/578,482.02 = 228,217.08/x - Step 3: Cross multiply
419,203.02x = 578,482.02 × 228,217.08 - Step 4: Simplify right side
419,203.02x = 132,019,477,436.90 - Step 5: Solve for x
x = 132,019,477,436.90/419,203.02 - Step 6: Final answer
x = 314,929.69
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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.