Finding the Fourth Proportional to 435,361.18, 653,018.71 and 135,807.44
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Solution
The fourth proportional to 435,361.18, 653,018.71 and 135,807.44 is: 203,703.96
Step by Step Solution
- Step 1: Write the proportion equation
435,361.18 : 653,018.71 = 135,807.44 : x - Step 2: Convert to fraction form
435,361.18/653,018.71 = 135,807.44/x - Step 3: Cross multiply
435,361.18x = 653,018.71 × 135,807.44 - Step 4: Simplify right side
435,361.18x = 88,684,795,927.23 - Step 5: Solve for x
x = 88,684,795,927.23/435,361.18 - Step 6: Final answer
x = 203,703.96
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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.