Finding the Fourth Proportional to 249,683.14, 344,562.66 and 136,505.88
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Solution
The fourth proportional to 249,683.14, 344,562.66 and 136,505.88 is: 188,378.07
Step by Step Solution
- Step 1: Write the proportion equation
249,683.14 : 344,562.66 = 136,505.88 : x - Step 2: Convert to fraction form
249,683.14/344,562.66 = 136,505.88/x - Step 3: Cross multiply
249,683.14x = 344,562.66 × 136,505.88 - Step 4: Simplify right side
249,683.14x = 47,034,829,118.44 - Step 5: Solve for x
x = 47,034,829,118.44/249,683.14 - Step 6: Final answer
x = 188,378.07
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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.