Finding the Fourth Proportional to 617,095.68, 925,663.68 and 212,283.72
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Solution
The fourth proportional to 617,095.68, 925,663.68 and 212,283.72 is: 318,432.52
Step by Step Solution
- Step 1: Write the proportion equation
617,095.68 : 925,663.68 = 212,283.72 : x - Step 2: Convert to fraction form
617,095.68/925,663.68 = 212,283.72/x - Step 3: Cross multiply
617,095.68x = 925,663.68 × 212,283.72 - Step 4: Simplify right side
617,095.68x = 196,503,329,459.29 - Step 5: Solve for x
x = 196,503,329,459.29/617,095.68 - Step 6: Final answer
x = 318,432.52
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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.