Finding the Fourth Proportional to 249,960.27, 344,936.60 and 142,564.91
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Solution
The fourth proportional to 249,960.27, 344,936.60 and 142,564.91 is: 196,734.68
Step by Step Solution
- Step 1: Write the proportion equation
249,960.27 : 344,936.60 = 142,564.91 : x - Step 2: Convert to fraction form
249,960.27/344,936.60 = 142,564.91/x - Step 3: Cross multiply
249,960.27x = 344,936.60 × 142,564.91 - Step 4: Simplify right side
249,960.27x = 49,175,852,897.20 - Step 5: Solve for x
x = 49,175,852,897.20/249,960.27 - Step 6: Final answer
x = 196,734.68
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1.5x scale
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.