Finding the Fourth Proportional to 450,901.50, 676,455.93 and 155,413.50
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Solution
The fourth proportional to 450,901.50, 676,455.93 and 155,413.50 is: 233,155.99
Step by Step Solution
- Step 1: Write the proportion equation
450,901.50 : 676,455.93 = 155,413.50 : x - Step 2: Convert to fraction form
450,901.50/676,455.93 = 155,413.50/x - Step 3: Cross multiply
450,901.50x = 676,455.93 × 155,413.50 - Step 4: Simplify right side
450,901.50x = 105,130,383,677.06 - Step 5: Solve for x
x = 105,130,383,677.06/450,901.50 - Step 6: Final answer
x = 233,155.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.