Finding the Fourth Proportional to 425,330.49, 637,995.74 and 125,787.76
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Solution
The fourth proportional to 425,330.49, 637,995.74 and 125,787.76 is: 188,681.64
Step by Step Solution
- Step 1: Write the proportion equation
425,330.49 : 637,995.74 = 125,787.76 : x - Step 2: Convert to fraction form
425,330.49/637,995.74 = 125,787.76/x - Step 3: Cross multiply
425,330.49x = 637,995.74 × 125,787.76 - Step 4: Simplify right side
425,330.49x = 80,252,055,302.13 - Step 5: Solve for x
x = 80,252,055,302.13/425,330.49 - Step 6: Final answer
x = 188,681.64
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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.