Finding the Fourth Proportional to 360,666.19, 497,733.99 and 199,518.46
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Solution
The fourth proportional to 360,666.19, 497,733.99 and 199,518.46 is: 275,343.58
Step by Step Solution
- Step 1: Write the proportion equation
360,666.19 : 497,733.99 = 199,518.46 : x - Step 2: Convert to fraction form
360,666.19/497,733.99 = 199,518.46/x - Step 3: Cross multiply
360,666.19x = 497,733.99 × 199,518.46 - Step 4: Simplify right side
360,666.19x = 99,307,118,678.31 - Step 5: Solve for x
x = 99,307,118,678.31/360,666.19 - Step 6: Final answer
x = 275,343.58
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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.