Finding the Fourth Proportional to 351,012.74, 484,397.64 and 189,867.74
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Solution
The fourth proportional to 351,012.74, 484,397.64 and 189,867.74 is: 262,017.51
Step by Step Solution
- Step 1: Write the proportion equation
351,012.74 : 484,397.64 = 189,867.74 : x - Step 2: Convert to fraction form
351,012.74/484,397.64 = 189,867.74/x - Step 3: Cross multiply
351,012.74x = 484,397.64 × 189,867.74 - Step 4: Simplify right side
351,012.74x = 91,971,485,168.13 - Step 5: Solve for x
x = 91,971,485,168.13/351,012.74 - Step 6: Final answer
x = 262,017.51
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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.