Finding the Fourth Proportional to 432,337.16, 596,453.82 and 288,869.96
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Solution
The fourth proportional to 432,337.16, 596,453.82 and 288,869.96 is: 398,525.98
Step by Step Solution
- Step 1: Write the proportion equation
432,337.16 : 596,453.82 = 288,869.96 : x - Step 2: Convert to fraction form
432,337.16/596,453.82 = 288,869.96/x - Step 3: Cross multiply
432,337.16x = 596,453.82 × 288,869.96 - Step 4: Simplify right side
432,337.16x = 172,297,591,125.25 - Step 5: Solve for x
x = 172,297,591,125.25/432,337.16 - Step 6: Final answer
x = 398,525.98
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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.