Finding the Fourth Proportional to 498,427.44, 687,827.88 and 272,073.12
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Solution
The fourth proportional to 498,427.44, 687,827.88 and 272,073.12 is: 375,459.82
Step by Step Solution
- Step 1: Write the proportion equation
498,427.44 : 687,827.88 = 272,073.12 : x - Step 2: Convert to fraction form
498,427.44/687,827.88 = 272,073.12/x - Step 3: Cross multiply
498,427.44x = 687,827.88 × 272,073.12 - Step 4: Simplify right side
498,427.44x = 187,139,477,334.59 - Step 5: Solve for x
x = 187,139,477,334.59/498,427.44 - Step 6: Final answer
x = 375,459.82
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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.