Finding the Fourth Proportional to 423,322.39, 635,177.99 and 183,509.47
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Solution
The fourth proportional to 423,322.39, 635,177.99 and 183,509.47 is: 275,348.48
Step by Step Solution
- Step 1: Write the proportion equation
423,322.39 : 635,177.99 = 183,509.47 : x - Step 2: Convert to fraction form
423,322.39/635,177.99 = 183,509.47/x - Step 3: Cross multiply
423,322.39x = 635,177.99 × 183,509.47 - Step 4: Simplify right side
423,322.39x = 116,561,176,300.57 - Step 5: Solve for x
x = 116,561,176,300.57/423,322.39 - Step 6: Final answer
x = 275,348.48
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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.