Finding the Fourth Proportional to 532,435.08, 734,790.16 and 290,740.08
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Solution
The fourth proportional to 532,435.08, 734,790.16 and 290,740.08 is: 401,237.55
Step by Step Solution
- Step 1: Write the proportion equation
532,435.08 : 734,790.16 = 290,740.08 : x - Step 2: Convert to fraction form
532,435.08/734,790.16 = 290,740.08/x - Step 3: Cross multiply
532,435.08x = 734,790.16 × 290,740.08 - Step 4: Simplify right side
532,435.08x = 213,632,945,500.81 - Step 5: Solve for x
x = 213,632,945,500.81/532,435.08 - Step 6: Final answer
x = 401,237.55
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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.