Finding the Fourth Proportional to 435,490.82, 653,235.99 and 135,997.07
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Solution
The fourth proportional to 435,490.82, 653,235.99 and 135,997.07 is: 203,995.53
Step by Step Solution
- Step 1: Write the proportion equation
435,490.82 : 653,235.99 = 135,997.07 : x - Step 2: Convert to fraction form
435,490.82/653,235.99 = 135,997.07/x - Step 3: Cross multiply
435,490.82x = 653,235.99 × 135,997.07 - Step 4: Simplify right side
435,490.82x = 88,838,180,658.55 - Step 5: Solve for x
x = 88,838,180,658.55/435,490.82 - Step 6: Final answer
x = 203,995.53
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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.