Finding the Fourth Proportional to 370,408.48, 555,231.34 and 145,677.83
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Solution
The fourth proportional to 370,408.48, 555,231.34 and 145,677.83 is: 218,366.75
Step by Step Solution
- Step 1: Write the proportion equation
370,408.48 : 555,231.34 = 145,677.83 : x - Step 2: Convert to fraction form
370,408.48/555,231.34 = 145,677.83/x - Step 3: Cross multiply
370,408.48x = 555,231.34 × 145,677.83 - Step 4: Simplify right side
370,408.48x = 80,884,894,165.13 - Step 5: Solve for x
x = 80,884,894,165.13/370,408.48 - Step 6: Final answer
x = 218,366.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.