Finding the Fourth Proportional to 538,263.23, 742,836.80 and 296,545.75
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Solution
The fourth proportional to 538,263.23, 742,836.80 and 296,545.75 is: 409,251.62
Step by Step Solution
- Step 1: Write the proportion equation
538,263.23 : 742,836.80 = 296,545.75 : x - Step 2: Convert to fraction form
538,263.23/742,836.80 = 296,545.75/x - Step 3: Cross multiply
538,263.23x = 742,836.80 × 296,545.75 - Step 4: Simplify right side
538,263.23x = 220,285,094,867.87 - Step 5: Solve for x
x = 220,285,094,867.87/538,263.23 - Step 6: Final answer
x = 409,251.62
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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.