Finding the Fourth Proportional to 226,578.42, 312,681.06 and 124,615.08
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Solution
The fourth proportional to 226,578.42, 312,681.06 and 124,615.08 is: 171,970.37
Step by Step Solution
- Step 1: Write the proportion equation
226,578.42 : 312,681.06 = 124,615.08 : x - Step 2: Convert to fraction form
226,578.42/312,681.06 = 124,615.08/x - Step 3: Cross multiply
226,578.42x = 312,681.06 × 124,615.08 - Step 4: Simplify right side
226,578.42x = 38,964,775,306.38 - Step 5: Solve for x
x = 38,964,775,306.38/226,578.42 - Step 6: Final answer
x = 171,970.37
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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.