Finding the Fourth Proportional to 538,262.12, 742,798.28 and 296,539.08
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Solution
The fourth proportional to 538,262.12, 742,798.28 and 296,539.08 is: 409,222.03
Step by Step Solution
- Step 1: Write the proportion equation
538,262.12 : 742,798.28 = 296,539.08 : x - Step 2: Convert to fraction form
538,262.12/742,798.28 = 296,539.08/x - Step 3: Cross multiply
538,262.12x = 742,798.28 × 296,539.08 - Step 4: Simplify right side
538,262.12x = 220,268,718,576.78 - Step 5: Solve for x
x = 220,268,718,576.78/538,262.12 - Step 6: Final answer
x = 409,222.03
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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.