Finding the Fourth Proportional to 410,098.40, 615,236.76 and 125,790.08
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Solution
The fourth proportional to 410,098.40, 615,236.76 and 125,790.08 is: 188,712.47
Step by Step Solution
- Step 1: Write the proportion equation
410,098.40 : 615,236.76 = 125,790.08 : x - Step 2: Convert to fraction form
410,098.40/615,236.76 = 125,790.08/x - Step 3: Cross multiply
410,098.40x = 615,236.76 × 125,790.08 - Step 4: Simplify right side
410,098.40x = 77,390,681,259.34 - Step 5: Solve for x
x = 77,390,681,259.34/410,098.40 - Step 6: Final answer
x = 188,712.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.