Finding the Fourth Proportional to 545,451.98, 818,225.26 and 166,458.05
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Solution
The fourth proportional to 545,451.98, 818,225.26 and 166,458.05 is: 249,701.50
Step by Step Solution
- Step 1: Write the proportion equation
545,451.98 : 818,225.26 = 166,458.05 : x - Step 2: Convert to fraction form
545,451.98/818,225.26 = 166,458.05/x - Step 3: Cross multiply
545,451.98x = 818,225.26 × 166,458.05 - Step 4: Simplify right side
545,451.98x = 136,200,176,733.07 - Step 5: Solve for x
x = 136,200,176,733.07/545,451.98 - Step 6: Final answer
x = 249,701.50
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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.