Finding the Fourth Proportional to 307,421.08, 424,168.84 and 186,559.62
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Solution
The fourth proportional to 307,421.08, 424,168.84 and 186,559.62 is: 257,408.43
Step by Step Solution
- Step 1: Write the proportion equation
307,421.08 : 424,168.84 = 186,559.62 : x - Step 2: Convert to fraction form
307,421.08/424,168.84 = 186,559.62/x - Step 3: Cross multiply
307,421.08x = 424,168.84 × 186,559.62 - Step 4: Simplify right side
307,421.08x = 79,132,777,606.24 - Step 5: Solve for x
x = 79,132,777,606.24/307,421.08 - Step 6: Final answer
x = 257,408.43
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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.