Finding the Fourth Proportional to 417,561.55, 626,336.86 and 102,021.19
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Solution
The fourth proportional to 417,561.55, 626,336.86 and 102,021.19 is: 153,030.45
Step by Step Solution
- Step 1: Write the proportion equation
417,561.55 : 626,336.86 = 102,021.19 : x - Step 2: Convert to fraction form
417,561.55/626,336.86 = 102,021.19/x - Step 3: Cross multiply
417,561.55x = 626,336.86 × 102,021.19 - Step 4: Simplify right side
417,561.55x = 63,899,631,798.06 - Step 5: Solve for x
x = 63,899,631,798.06/417,561.55 - Step 6: Final answer
x = 153,030.45
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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.