Finding the Fourth Proportional to 530,167.62, 731,625.36 and 315,311.28
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Solution
The fourth proportional to 530,167.62, 731,625.36 and 315,311.28 is: 435,126.02
Step by Step Solution
- Step 1: Write the proportion equation
530,167.62 : 731,625.36 = 315,311.28 : x - Step 2: Convert to fraction form
530,167.62/731,625.36 = 315,311.28/x - Step 3: Cross multiply
530,167.62x = 731,625.36 × 315,311.28 - Step 4: Simplify right side
530,167.62x = 230,689,728,742.06 - Step 5: Solve for x
x = 230,689,728,742.06/530,167.62 - Step 6: Final answer
x = 435,126.02
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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.