Finding the Fourth Proportional to 401,746.48, 554,408.62 and 220,461.44
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Solution
The fourth proportional to 401,746.48, 554,408.62 and 220,461.44 is: 304,235.95
Step by Step Solution
- Step 1: Write the proportion equation
401,746.48 : 554,408.62 = 220,461.44 : x - Step 2: Convert to fraction form
401,746.48/554,408.62 = 220,461.44/x - Step 3: Cross multiply
401,746.48x = 554,408.62 × 220,461.44 - Step 4: Simplify right side
401,746.48x = 122,225,722,713.61 - Step 5: Solve for x
x = 122,225,722,713.61/401,746.48 - Step 6: Final answer
x = 304,235.95
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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.