Finding the Fourth Proportional to 370,991.76, 511,966.08 and 201,226.02
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Solution
The fourth proportional to 370,991.76, 511,966.08 and 201,226.02 is: 277,690.53
Step by Step Solution
- Step 1: Write the proportion equation
370,991.76 : 511,966.08 = 201,226.02 : x - Step 2: Convert to fraction form
370,991.76/511,966.08 = 201,226.02/x - Step 3: Cross multiply
370,991.76x = 511,966.08 × 201,226.02 - Step 4: Simplify right side
370,991.76x = 103,020,896,653.40 - Step 5: Solve for x
x = 103,020,896,653.40/370,991.76 - Step 6: Final answer
x = 277,690.53
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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.