Finding the Fourth Proportional to 637,209.51, 955,675.61 and 210,644.55
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Solution
The fourth proportional to 637,209.51, 955,675.61 and 210,644.55 is: 315,920.99
Step by Step Solution
- Step 1: Write the proportion equation
637,209.51 : 955,675.61 = 210,644.55 : x - Step 2: Convert to fraction form
637,209.51/955,675.61 = 210,644.55/x - Step 3: Cross multiply
637,209.51x = 955,675.61 × 210,644.55 - Step 4: Simplify right side
637,209.51x = 201,307,857,761.20 - Step 5: Solve for x
x = 201,307,857,761.20/637,209.51 - Step 6: Final answer
x = 315,920.99
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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.