Finding the Fourth Proportional to 525,531.42, 725,234.18 and 299,176.92
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Solution
The fourth proportional to 525,531.42, 725,234.18 and 299,176.92 is: 412,864.61
Step by Step Solution
- Step 1: Write the proportion equation
525,531.42 : 725,234.18 = 299,176.92 : x - Step 2: Convert to fraction form
525,531.42/725,234.18 = 299,176.92/x - Step 3: Cross multiply
525,531.42x = 725,234.18 × 299,176.92 - Step 4: Simplify right side
525,531.42x = 216,973,326,755.24 - Step 5: Solve for x
x = 216,973,326,755.24/525,531.42 - Step 6: Final answer
x = 412,864.61
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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.