Finding the Fourth Proportional to 320,430.81, 480,225.75 and 235,794.68
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Solution
The fourth proportional to 320,430.81, 480,225.75 and 235,794.68 is: 353,382.61
Step by Step Solution
- Step 1: Write the proportion equation
320,430.81 : 480,225.75 = 235,794.68 : x - Step 2: Convert to fraction form
320,430.81/480,225.75 = 235,794.68/x - Step 3: Cross multiply
320,430.81x = 480,225.75 × 235,794.68 - Step 4: Simplify right side
320,430.81x = 113,234,674,647.88 - Step 5: Solve for x
x = 113,234,674,647.88/320,430.81 - Step 6: Final answer
x = 353,382.61
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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.