Finding the Fourth Proportional to 730,415.98, 1,095,623.99 and 197,936.99
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Solution
The fourth proportional to 730,415.98, 1,095,623.99 and 197,936.99 is: 296,905.49
Step by Step Solution
- Step 1: Write the proportion equation
730,415.98 : 1,095,623.99 = 197,936.99 : x - Step 2: Convert to fraction form
730,415.98/1,095,623.99 = 197,936.99/x - Step 3: Cross multiply
730,415.98x = 1,095,623.99 × 197,936.99 - Step 4: Simplify right side
730,415.98x = 216,864,514,752.39 - Step 5: Solve for x
x = 216,864,514,752.39/730,415.98 - Step 6: Final answer
x = 296,905.49
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Double scale
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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.