Finding the Fourth Proportional to 249,120.59, 343,787.36 and 135,943.34
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Solution
The fourth proportional to 249,120.59, 343,787.36 and 135,943.34 is: 187,602.32
Step by Step Solution
- Step 1: Write the proportion equation
249,120.59 : 343,787.36 = 135,943.34 : x - Step 2: Convert to fraction form
249,120.59/343,787.36 = 135,943.34/x - Step 3: Cross multiply
249,120.59x = 343,787.36 × 135,943.34 - Step 4: Simplify right side
249,120.59x = 46,735,599,569.53 - Step 5: Solve for x
x = 46,735,599,569.53/249,120.59 - Step 6: Final answer
x = 187,602.32
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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.