Finding the Fourth Proportional to 1,310,152.80, 1,965,009.36 and 363,619.68
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Solution
The fourth proportional to 1,310,152.80, 1,965,009.36 and 363,619.68 is: 545,368.51
Step by Step Solution
- Step 1: Write the proportion equation
1,310,152.80 : 1,965,009.36 = 363,619.68 : x - Step 2: Convert to fraction form
1,310,152.80/1,965,009.36 = 363,619.68/x - Step 3: Cross multiply
1,310,152.80x = 1,965,009.36 × 363,619.68 - Step 4: Simplify right side
1,310,152.80x = 714,516,074,680.21 - Step 5: Solve for x
x = 714,516,074,680.21/1,310,152.80 - Step 6: Final answer
x = 545,368.51
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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.