Finding the Fourth Proportional to 583,597.26, 805,364.21 and 315,325.26
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Solution
The fourth proportional to 583,597.26, 805,364.21 and 315,325.26 is: 435,148.85
Step by Step Solution
- Step 1: Write the proportion equation
583,597.26 : 805,364.21 = 315,325.26 : x - Step 2: Convert to fraction form
583,597.26/805,364.21 = 315,325.26/x - Step 3: Cross multiply
583,597.26x = 805,364.21 × 315,325.26 - Step 4: Simplify right side
583,597.26x = 253,951,678,912.95 - Step 5: Solve for x
x = 253,951,678,912.95/583,597.26 - Step 6: Final answer
x = 435,148.85
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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.