Finding the Fourth Proportional to 538,260.12, 742,795.52 and 296,537.09
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Solution
The fourth proportional to 538,260.12, 742,795.52 and 296,537.09 is: 409,219.28
Step by Step Solution
- Step 1: Write the proportion equation
538,260.12 : 742,795.52 = 296,537.09 : x - Step 2: Convert to fraction form
538,260.12/742,795.52 = 296,537.09/x - Step 3: Cross multiply
538,260.12x = 742,795.52 × 296,537.09 - Step 4: Simplify right side
538,260.12x = 220,266,416,769.17 - Step 5: Solve for x
x = 220,266,416,769.17/538,260.12 - Step 6: Final answer
x = 409,219.28
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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.