Finding the Fourth Proportional to 372,636.42, 558,254.79 and 289,122.18
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Solution
The fourth proportional to 372,636.42, 558,254.79 and 289,122.18 is: 433,140.28
Step by Step Solution
- Step 1: Write the proportion equation
372,636.42 : 558,254.79 = 289,122.18 : x - Step 2: Convert to fraction form
372,636.42/558,254.79 = 289,122.18/x - Step 3: Cross multiply
372,636.42x = 558,254.79 × 289,122.18 - Step 4: Simplify right side
372,636.42x = 161,403,841,880.24 - Step 5: Solve for x
x = 161,403,841,880.24/372,636.42 - Step 6: Final answer
x = 433,140.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.