Finding the Fourth Proportional to 363,499.36, 545,207.34 and 97,280.62
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Solution
The fourth proportional to 363,499.36, 545,207.34 and 97,280.62 is: 145,909.77
Step by Step Solution
- Step 1: Write the proportion equation
363,499.36 : 545,207.34 = 97,280.62 : x - Step 2: Convert to fraction form
363,499.36/545,207.34 = 97,280.62/x - Step 3: Cross multiply
363,499.36x = 545,207.34 × 97,280.62 - Step 4: Simplify right side
363,499.36x = 53,038,108,063.75 - Step 5: Solve for x
x = 53,038,108,063.75/363,499.36 - Step 6: Final answer
x = 145,909.77
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1.5x scale
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.