Finding the Fourth Proportional to 486,929.34, 730,472.49 and 149,969.88
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Solution
The fourth proportional to 486,929.34, 730,472.49 and 149,969.88 is: 224,978.99
Step by Step Solution
- Step 1: Write the proportion equation
486,929.34 : 730,472.49 = 149,969.88 : x - Step 2: Convert to fraction form
486,929.34/730,472.49 = 149,969.88/x - Step 3: Cross multiply
486,929.34x = 730,472.49 × 149,969.88 - Step 4: Simplify right side
486,929.34x = 109,548,871,668.60 - Step 5: Solve for x
x = 109,548,871,668.60/486,929.34 - Step 6: Final answer
x = 224,978.99
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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.