Finding the Fourth Proportional to 513,413.84, 708,536.03 and 283,970.19
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Solution
The fourth proportional to 513,413.84, 708,536.03 and 283,970.19 is: 391,892.65
Step by Step Solution
- Step 1: Write the proportion equation
513,413.84 : 708,536.03 = 283,970.19 : x - Step 2: Convert to fraction form
513,413.84/708,536.03 = 283,970.19/x - Step 3: Cross multiply
513,413.84x = 708,536.03 × 283,970.19 - Step 4: Simplify right side
513,413.84x = 201,203,109,641.10 - Step 5: Solve for x
x = 201,203,109,641.10/513,413.84 - Step 6: Final answer
x = 391,892.65
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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.