Finding the Fourth Proportional to 423,643.53, 635,552.79 and 124,133.88
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Solution
The fourth proportional to 423,643.53, 635,552.79 and 124,133.88 is: 186,226.46
Step by Step Solution
- Step 1: Write the proportion equation
423,643.53 : 635,552.79 = 124,133.88 : x - Step 2: Convert to fraction form
423,643.53/635,552.79 = 124,133.88/x - Step 3: Cross multiply
423,643.53x = 635,552.79 × 124,133.88 - Step 4: Simplify right side
423,643.53x = 78,893,633,767.53 - Step 5: Solve for x
x = 78,893,633,767.53/423,643.53 - Step 6: Final answer
x = 186,226.46
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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.