Finding the Fourth Proportional to 346,338.05, 519,584.90 and 121,713.98
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Solution
The fourth proportional to 346,338.05, 519,584.90 and 121,713.98 is: 182,598.31
Step by Step Solution
- Step 1: Write the proportion equation
346,338.05 : 519,584.90 = 121,713.98 : x - Step 2: Convert to fraction form
346,338.05/519,584.90 = 121,713.98/x - Step 3: Cross multiply
346,338.05x = 519,584.90 × 121,713.98 - Step 4: Simplify right side
346,338.05x = 63,240,742,920.41 - Step 5: Solve for x
x = 63,240,742,920.41/346,338.05 - Step 6: Final answer
x = 182,598.31
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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.