Finding the Fourth Proportional to 370,332.86, 511,069.84 and 209,194.70
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Solution
The fourth proportional to 370,332.86, 511,069.84 and 209,194.70 is: 288,694.61
Step by Step Solution
- Step 1: Write the proportion equation
370,332.86 : 511,069.84 = 209,194.70 : x - Step 2: Convert to fraction form
370,332.86/511,069.84 = 209,194.70/x - Step 3: Cross multiply
370,332.86x = 511,069.84 × 209,194.70 - Step 4: Simplify right side
370,332.86x = 106,913,098,779.51 - Step 5: Solve for x
x = 106,913,098,779.51/370,332.86 - Step 6: Final answer
x = 288,694.61
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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.