Finding the Fourth Proportional to 423,681.23, 584,708.73 and 232,696.60
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Solution
The fourth proportional to 423,681.23, 584,708.73 and 232,696.60 is: 321,137.03
Step by Step Solution
- Step 1: Write the proportion equation
423,681.23 : 584,708.73 = 232,696.60 : x - Step 2: Convert to fraction form
423,681.23/584,708.73 = 232,696.60/x - Step 3: Cross multiply
423,681.23x = 584,708.73 × 232,696.60 - Step 4: Simplify right side
423,681.23x = 136,059,731,126.93 - Step 5: Solve for x
x = 136,059,731,126.93/423,681.23 - Step 6: Final answer
x = 321,137.03
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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.