Finding the Fourth Proportional to 485,859.35, 728,789.03 and 249,050.99
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Solution
The fourth proportional to 485,859.35, 728,789.03 and 249,050.99 is: 373,576.48
Step by Step Solution
- Step 1: Write the proportion equation
485,859.35 : 728,789.03 = 249,050.99 : x - Step 2: Convert to fraction form
485,859.35/728,789.03 = 249,050.99/x - Step 3: Cross multiply
485,859.35x = 728,789.03 × 249,050.99 - Step 4: Simplify right side
485,859.35x = 181,505,624,533.44 - Step 5: Solve for x
x = 181,505,624,533.44/485,859.35 - Step 6: Final answer
x = 373,576.48
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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.