Finding the Fourth Proportional to 419,207.44, 578,518.38 and 228,224.08
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Solution
The fourth proportional to 419,207.44, 578,518.38 and 228,224.08 is: 314,955.82
Step by Step Solution
- Step 1: Write the proportion equation
419,207.44 : 578,518.38 = 228,224.08 : x - Step 2: Convert to fraction form
419,207.44/578,518.38 = 228,224.08/x - Step 3: Cross multiply
419,207.44x = 578,518.38 × 228,224.08 - Step 4: Simplify right side
419,207.44x = 132,031,825,038.59 - Step 5: Solve for x
x = 132,031,825,038.59/419,207.44 - Step 6: Final answer
x = 314,955.82
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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.