Finding the Fourth Proportional to 525,661.99, 725,413.44 and 283,944.58
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Solution
The fourth proportional to 525,661.99, 725,413.44 and 283,944.58 is: 391,843.46
Step by Step Solution
- Step 1: Write the proportion equation
525,661.99 : 725,413.44 = 283,944.58 : x - Step 2: Convert to fraction form
525,661.99/725,413.44 = 283,944.58/x - Step 3: Cross multiply
525,661.99x = 725,413.44 × 283,944.58 - Step 4: Simplify right side
525,661.99x = 205,977,214,547.16 - Step 5: Solve for x
x = 205,977,214,547.16/525,661.99 - Step 6: Final answer
x = 391,843.46
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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.