Finding the Fourth Proportional to 524,154.16, 723,282.77 and 306,413.74
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Solution
The fourth proportional to 524,154.16, 723,282.77 and 306,413.74 is: 422,821.75
Step by Step Solution
- Step 1: Write the proportion equation
524,154.16 : 723,282.77 = 306,413.74 : x - Step 2: Convert to fraction form
524,154.16/723,282.77 = 306,413.74/x - Step 3: Cross multiply
524,154.16x = 723,282.77 × 306,413.74 - Step 4: Simplify right side
524,154.16x = 221,623,777,101.19 - Step 5: Solve for x
x = 221,623,777,101.19/524,154.16 - Step 6: Final answer
x = 422,821.75
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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.