Finding the Fourth Proportional to 418,679.60, 577,765.50 and 237,408.08
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Solution
The fourth proportional to 418,679.60, 577,765.50 and 237,408.08 is: 327,616.15
Step by Step Solution
- Step 1: Write the proportion equation
418,679.60 : 577,765.50 = 237,408.08 : x - Step 2: Convert to fraction form
418,679.60/577,765.50 = 237,408.08/x - Step 3: Cross multiply
418,679.60x = 577,765.50 × 237,408.08 - Step 4: Simplify right side
418,679.60x = 137,166,195,156.41 - Step 5: Solve for x
x = 137,166,195,156.41/418,679.60 - Step 6: Final answer
x = 327,616.15
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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.