Finding the Fourth Proportional to 454,673.20, 681,572.40 and 353,415.10
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Solution
The fourth proportional to 454,673.20, 681,572.40 and 353,415.10 is: 529,782.66
Step by Step Solution
- Step 1: Write the proportion equation
454,673.20 : 681,572.40 = 353,415.10 : x - Step 2: Convert to fraction form
454,673.20/681,572.40 = 353,415.10/x - Step 3: Cross multiply
454,673.20x = 681,572.40 × 353,415.10 - Step 4: Simplify right side
454,673.20x = 240,877,977,903.24 - Step 5: Solve for x
x = 240,877,977,903.24/454,673.20 - Step 6: Final answer
x = 529,782.66
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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.