Finding the Fourth Proportional to 343,353.42, 514,726.56 and 129,973.14
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Solution
The fourth proportional to 343,353.42, 514,726.56 and 129,973.14 is: 194,844.80
Step by Step Solution
- Step 1: Write the proportion equation
343,353.42 : 514,726.56 = 129,973.14 : x - Step 2: Convert to fraction form
343,353.42/514,726.56 = 129,973.14/x - Step 3: Cross multiply
343,353.42x = 514,726.56 × 129,973.14 - Step 4: Simplify right side
343,353.42x = 66,900,627,244.60 - Step 5: Solve for x
x = 66,900,627,244.60/343,353.42 - Step 6: Final answer
x = 194,844.80
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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.