Finding the Fourth Proportional to 353,648.99, 530,468.32 and 87,409.53
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Solution
The fourth proportional to 353,648.99, 530,468.32 and 87,409.53 is: 131,113.02
Step by Step Solution
- Step 1: Write the proportion equation
353,648.99 : 530,468.32 = 87,409.53 : x - Step 2: Convert to fraction form
353,648.99/530,468.32 = 87,409.53/x - Step 3: Cross multiply
353,648.99x = 530,468.32 × 87,409.53 - Step 4: Simplify right side
353,648.99x = 46,367,986,230.62 - Step 5: Solve for x
x = 46,367,986,230.62/353,648.99 - Step 6: Final answer
x = 131,113.02
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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.