Finding the Fourth Proportional to 437,615.68, 603,909.16 and 236,411.68
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Solution
The fourth proportional to 437,615.68, 603,909.16 and 236,411.68 is: 326,247.86
Step by Step Solution
- Step 1: Write the proportion equation
437,615.68 : 603,909.16 = 236,411.68 : x - Step 2: Convert to fraction form
437,615.68/603,909.16 = 236,411.68/x - Step 3: Cross multiply
437,615.68x = 603,909.16 × 236,411.68 - Step 4: Simplify right side
437,615.68x = 142,771,179,082.99 - Step 5: Solve for x
x = 142,771,179,082.99/437,615.68 - Step 6: Final answer
x = 326,247.86
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1.5x scale
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.