Finding the Fourth Proportional to 249,043.23, 343,683.51 and 135,865.98
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Solution
The fourth proportional to 249,043.23, 343,683.51 and 135,865.98 is: 187,497.15
Step by Step Solution
- Step 1: Write the proportion equation
249,043.23 : 343,683.51 = 135,865.98 : x - Step 2: Convert to fraction form
249,043.23/343,683.51 = 135,865.98/x - Step 3: Cross multiply
249,043.23x = 343,683.51 × 135,865.98 - Step 4: Simplify right side
249,043.23x = 46,694,896,895.99 - Step 5: Solve for x
x = 46,694,896,895.99/249,043.23 - Step 6: Final answer
x = 187,497.15
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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.