Finding the Fourth Proportional to 606,937.80, 910,406.70 and 212,953.80
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Solution
The fourth proportional to 606,937.80, 910,406.70 and 212,953.80 is: 319,430.70
Step by Step Solution
- Step 1: Write the proportion equation
606,937.80 : 910,406.70 = 212,953.80 : x - Step 2: Convert to fraction form
606,937.80/910,406.70 = 212,953.80/x - Step 3: Cross multiply
606,937.80x = 910,406.70 × 212,953.80 - Step 4: Simplify right side
606,937.80x = 193,874,566,310.46 - Step 5: Solve for x
x = 193,874,566,310.46/606,937.80 - Step 6: Final answer
x = 319,430.70
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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.