Finding the Fourth Proportional to 366,989.70, 550,484.55 and 209,525.70
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Solution
The fourth proportional to 366,989.70, 550,484.55 and 209,525.70 is: 314,288.55
Step by Step Solution
- Step 1: Write the proportion equation
366,989.70 : 550,484.55 = 209,525.70 : x - Step 2: Convert to fraction form
366,989.70/550,484.55 = 209,525.70/x - Step 3: Cross multiply
366,989.70x = 550,484.55 × 209,525.70 - Step 4: Simplify right side
366,989.70x = 115,340,660,677.94 - Step 5: Solve for x
x = 115,340,660,677.94/366,989.70 - Step 6: Final answer
x = 314,288.55
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1.5x scale
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.