Finding the Fourth Proportional to 370,484.64, 511,278.93 and 209,336.49
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Solution
The fourth proportional to 370,484.64, 511,278.93 and 209,336.49 is: 288,890.08
Step by Step Solution
- Step 1: Write the proportion equation
370,484.64 : 511,278.93 = 209,336.49 : x - Step 2: Convert to fraction form
370,484.64/511,278.93 = 209,336.49/x - Step 3: Cross multiply
370,484.64x = 511,278.93 × 209,336.49 - Step 4: Simplify right side
370,484.64x = 107,029,336,617.16 - Step 5: Solve for x
x = 107,029,336,617.16/370,484.64 - Step 6: Final answer
x = 288,890.08
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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.