Finding the Fourth Proportional to 359,430.85, 539,053.98 and 106,651.55
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Solution
The fourth proportional to 359,430.85, 539,053.98 and 106,651.55 is: 159,949.94
Step by Step Solution
- Step 1: Write the proportion equation
359,430.85 : 539,053.98 = 106,651.55 : x - Step 2: Convert to fraction form
359,430.85/539,053.98 = 106,651.55/x - Step 3: Cross multiply
359,430.85x = 539,053.98 × 106,651.55 - Step 4: Simplify right side
359,430.85x = 57,490,942,500.67 - Step 5: Solve for x
x = 57,490,942,500.67/359,430.85 - Step 6: Final answer
x = 159,949.94
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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.