Finding the Fourth Proportional to 521,545.62, 719,609.52 and 295,191.12
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Solution
The fourth proportional to 521,545.62, 719,609.52 and 295,191.12 is: 407,293.88
Step by Step Solution
- Step 1: Write the proportion equation
521,545.62 : 719,609.52 = 295,191.12 : x - Step 2: Convert to fraction form
521,545.62/719,609.52 = 295,191.12/x - Step 3: Cross multiply
521,545.62x = 719,609.52 × 295,191.12 - Step 4: Simplify right side
521,545.62x = 212,422,340,171.46 - Step 5: Solve for x
x = 212,422,340,171.46/521,545.62 - Step 6: Final answer
x = 407,293.88
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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.