Finding the Fourth Proportional to 665,161.04, 917,920.68 and 363,357.20
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Solution
The fourth proportional to 665,161.04, 917,920.68 and 363,357.20 is: 501,432.09
Step by Step Solution
- Step 1: Write the proportion equation
665,161.04 : 917,920.68 = 363,357.20 : x - Step 2: Convert to fraction form
665,161.04/917,920.68 = 363,357.20/x - Step 3: Cross multiply
665,161.04x = 917,920.68 × 363,357.20 - Step 4: Simplify right side
665,161.04x = 333,533,088,106.90 - Step 5: Solve for x
x = 333,533,088,106.90/665,161.04 - Step 6: Final answer
x = 501,432.09
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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.