Finding the Fourth Proportional to 538,132.77, 742,595.79 and 296,410.14
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Solution
The fourth proportional to 538,132.77, 742,595.79 and 296,410.14 is: 409,030.88
Step by Step Solution
- Step 1: Write the proportion equation
538,132.77 : 742,595.79 = 296,410.14 : x - Step 2: Convert to fraction form
538,132.77/742,595.79 = 296,410.14/x - Step 3: Cross multiply
538,132.77x = 742,595.79 × 296,410.14 - Step 4: Simplify right side
538,132.77x = 220,112,922,077.31 - Step 5: Solve for x
x = 220,112,922,077.31/538,132.77 - Step 6: Final answer
x = 409,030.88
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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.