Finding the Fourth Proportional to 342,881.34, 514,177.74 and 129,613.38
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Solution
The fourth proportional to 342,881.34, 514,177.74 and 129,613.38 is: 194,365.53
Step by Step Solution
- Step 1: Write the proportion equation
342,881.34 : 514,177.74 = 129,613.38 : x - Step 2: Convert to fraction form
342,881.34/514,177.74 = 129,613.38/x - Step 3: Cross multiply
342,881.34x = 514,177.74 × 129,613.38 - Step 4: Simplify right side
342,881.34x = 66,644,314,802.16 - Step 5: Solve for x
x = 66,644,314,802.16/342,881.34 - Step 6: Final answer
x = 194,365.53
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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.