Finding the Fourth Proportional to 249,828.58, 344,768.97 and 136,651.42
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Solution
The fourth proportional to 249,828.58, 344,768.97 and 136,651.42 is: 188,581.98
Step by Step Solution
- Step 1: Write the proportion equation
249,828.58 : 344,768.97 = 136,651.42 : x - Step 2: Convert to fraction form
249,828.58/344,768.97 = 136,651.42/x - Step 3: Cross multiply
249,828.58x = 344,768.97 × 136,651.42 - Step 4: Simplify right side
249,828.58x = 47,113,169,322.44 - Step 5: Solve for x
x = 47,113,169,322.44/249,828.58 - Step 6: Final answer
x = 188,581.98
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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.