Finding the Fourth Proportional to 249,046.74, 343,683.35 and 135,869.49
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Solution
The fourth proportional to 249,046.74, 343,683.35 and 135,869.49 is: 187,499.27
Step by Step Solution
- Step 1: Write the proportion equation
249,046.74 : 343,683.35 = 135,869.49 : x - Step 2: Convert to fraction form
249,046.74/343,683.35 = 135,869.49/x - Step 3: Cross multiply
249,046.74x = 343,683.35 × 135,869.49 - Step 4: Simplify right side
249,046.74x = 46,696,080,806.64 - Step 5: Solve for x
x = 46,696,080,806.64/249,046.74 - Step 6: Final answer
x = 187,499.27
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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.