Finding the Fourth Proportional to 249,769.18, 344,684.19 and 136,589.50
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Solution
The fourth proportional to 249,769.18, 344,684.19 and 136,589.50 is: 188,495.00
Step by Step Solution
- Step 1: Write the proportion equation
249,769.18 : 344,684.19 = 136,589.50 : x - Step 2: Convert to fraction form
249,769.18/344,684.19 = 136,589.50/x - Step 3: Cross multiply
249,769.18x = 344,684.19 × 136,589.50 - Step 4: Simplify right side
249,769.18x = 47,080,241,170.01 - Step 5: Solve for x
x = 47,080,241,170.01/249,769.18 - Step 6: Final answer
x = 188,495.00
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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.