Finding the Fourth Proportional to 561,756.08, 775,235.40 and 307,130.96
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Solution
The fourth proportional to 561,756.08, 775,235.40 and 307,130.96 is: 423,847.29
Step by Step Solution
- Step 1: Write the proportion equation
561,756.08 : 775,235.40 = 307,130.96 : x - Step 2: Convert to fraction form
561,756.08/775,235.40 = 307,130.96/x - Step 3: Cross multiply
561,756.08x = 775,235.40 × 307,130.96 - Step 4: Simplify right side
561,756.08x = 238,098,792,627.98 - Step 5: Solve for x
x = 238,098,792,627.98/561,756.08 - Step 6: Final answer
x = 423,847.29
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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.