Finding the Fourth Proportional to 525,509.99, 725,203.77 and 283,792.55
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Solution
The fourth proportional to 525,509.99, 725,203.77 and 283,792.55 is: 391,633.70
Step by Step Solution
- Step 1: Write the proportion equation
525,509.99 : 725,203.77 = 283,792.55 : x - Step 2: Convert to fraction form
525,509.99/725,203.77 = 283,792.55/x - Step 3: Cross multiply
525,509.99x = 725,203.77 × 283,792.55 - Step 4: Simplify right side
525,509.99x = 205,807,422,467.67 - Step 5: Solve for x
x = 205,807,422,467.67/525,509.99 - Step 6: Final answer
x = 391,633.70
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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.