Finding the Fourth Proportional to 308,418.42, 425,593.98 and 187,543.02
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Solution
The fourth proportional to 308,418.42, 425,593.98 and 187,543.02 is: 258,795.11
Step by Step Solution
- Step 1: Write the proportion equation
308,418.42 : 425,593.98 = 187,543.02 : x - Step 2: Convert to fraction form
308,418.42/425,593.98 = 187,543.02/x - Step 3: Cross multiply
308,418.42x = 425,593.98 × 187,543.02 - Step 4: Simplify right side
308,418.42x = 79,817,180,303.02 - Step 5: Solve for x
x = 79,817,180,303.02/308,418.42 - Step 6: Final answer
x = 258,795.11
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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.