Finding the Fourth Proportional to 423,348.41, 635,133.29 and 245,684.63
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Solution
The fourth proportional to 423,348.41, 635,133.29 and 245,684.63 is: 368,591.17
Step by Step Solution
- Step 1: Write the proportion equation
423,348.41 : 635,133.29 = 245,684.63 : x - Step 2: Convert to fraction form
423,348.41/635,133.29 = 245,684.63/x - Step 3: Cross multiply
423,348.41x = 635,133.29 × 245,684.63 - Step 4: Simplify right side
423,348.41x = 156,042,487,713.74 - Step 5: Solve for x
x = 156,042,487,713.74/423,348.41 - Step 6: Final answer
x = 368,591.17
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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.