Finding the Fourth Proportional to 452,787.36, 625,038.12 and 305,644.32
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Solution
The fourth proportional to 452,787.36, 625,038.12 and 305,644.32 is: 421,918.47
Step by Step Solution
- Step 1: Write the proportion equation
452,787.36 : 625,038.12 = 305,644.32 : x - Step 2: Convert to fraction form
452,787.36/625,038.12 = 305,644.32/x - Step 3: Cross multiply
452,787.36x = 625,038.12 × 305,644.32 - Step 4: Simplify right side
452,787.36x = 191,039,351,161.48 - Step 5: Solve for x
x = 191,039,351,161.48/452,787.36 - Step 6: Final answer
x = 421,918.47
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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.