Finding the Fourth Proportional to 545,273.93, 752,368.10 and 330,289.09
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Solution
The fourth proportional to 545,273.93, 752,368.10 and 330,289.09 is: 455,732.36
Step by Step Solution
- Step 1: Write the proportion equation
545,273.93 : 752,368.10 = 330,289.09 : x - Step 2: Convert to fraction form
545,273.93/752,368.10 = 330,289.09/x - Step 3: Cross multiply
545,273.93x = 752,368.10 × 330,289.09 - Step 4: Simplify right side
545,273.93x = 248,498,975,793.73 - Step 5: Solve for x
x = 248,498,975,793.73/545,273.93 - Step 6: Final answer
x = 455,732.36
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.