Finding the Fourth Proportional to 249,609.60, 344,466.24 and 136,437.12
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Solution
The fourth proportional to 249,609.60, 344,466.24 and 136,437.12 is: 188,285.95
Step by Step Solution
- Step 1: Write the proportion equation
249,609.60 : 344,466.24 = 136,437.12 : x - Step 2: Convert to fraction form
249,609.60/344,466.24 = 136,437.12/x - Step 3: Cross multiply
249,609.60x = 344,466.24 × 136,437.12 - Step 4: Simplify right side
249,609.60x = 46,997,981,722.83 - Step 5: Solve for x
x = 46,997,981,722.83/249,609.60 - Step 6: Final answer
x = 188,285.95
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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.