Finding the Fourth Proportional to 435,362.18, 653,020.21 and 135,808.44
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Solution
The fourth proportional to 435,362.18, 653,020.21 and 135,808.44 is: 203,705.47
Step by Step Solution
- Step 1: Write the proportion equation
435,362.18 : 653,020.21 = 135,808.44 : x - Step 2: Convert to fraction form
435,362.18/653,020.21 = 135,808.44/x - Step 3: Cross multiply
435,362.18x = 653,020.21 × 135,808.44 - Step 4: Simplify right side
435,362.18x = 88,685,656,008.57 - Step 5: Solve for x
x = 88,685,656,008.57/435,362.18 - Step 6: Final answer
x = 203,705.47
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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.