Finding the Fourth Proportional to 561,808.67, 775,297.26 and 307,176.26
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Solution
The fourth proportional to 561,808.67, 775,297.26 and 307,176.26 is: 423,903.94
Step by Step Solution
- Step 1: Write the proportion equation
561,808.67 : 775,297.26 = 307,176.26 : x - Step 2: Convert to fraction form
561,808.67/775,297.26 = 307,176.26/x - Step 3: Cross multiply
561,808.67x = 775,297.26 × 307,176.26 - Step 4: Simplify right side
561,808.67x = 238,152,908,838.56 - Step 5: Solve for x
x = 238,152,908,838.56/561,808.67 - Step 6: Final answer
x = 423,903.94
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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.