Finding the Fourth Proportional to 328,866.00, 453,527.08 and 218,289.08
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Solution
The fourth proportional to 328,866.00, 453,527.08 and 218,289.08 is: 301,034.50
Step by Step Solution
- Step 1: Write the proportion equation
328,866.00 : 453,527.08 = 218,289.08 : x - Step 2: Convert to fraction form
328,866.00/453,527.08 = 218,289.08/x - Step 3: Cross multiply
328,866.00x = 453,527.08 × 218,289.08 - Step 4: Simplify right side
328,866.00x = 99,000,009,048.29 - Step 5: Solve for x
x = 99,000,009,048.29/328,866.00 - Step 6: Final answer
x = 301,034.50
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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.