Finding the Fourth Proportional to 530,348.16, 731,913.12 and 304,027.68
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Solution
The fourth proportional to 530,348.16, 731,913.12 and 304,027.68 is: 419,576.92
Step by Step Solution
- Step 1: Write the proportion equation
530,348.16 : 731,913.12 = 304,027.68 : x - Step 2: Convert to fraction form
530,348.16/731,913.12 = 304,027.68/x - Step 3: Cross multiply
530,348.16x = 731,913.12 × 304,027.68 - Step 4: Simplify right side
530,348.16x = 222,521,847,835.16 - Step 5: Solve for x
x = 222,521,847,835.16/530,348.16 - Step 6: Final answer
x = 419,576.92
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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.