Finding the Fourth Proportional to 561,873.84, 775,388.46 and 307,224.82
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Solution
The fourth proportional to 561,873.84, 775,388.46 and 307,224.82 is: 423,971.65
Step by Step Solution
- Step 1: Write the proportion equation
561,873.84 : 775,388.46 = 307,224.82 : x - Step 2: Convert to fraction form
561,873.84/775,388.46 = 307,224.82/x - Step 3: Cross multiply
561,873.84x = 775,388.46 × 307,224.82 - Step 4: Simplify right side
561,873.84x = 238,218,580,053.58 - Step 5: Solve for x
x = 238,218,580,053.58/561,873.84 - Step 6: Final answer
x = 423,971.65
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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.