Finding the Fourth Proportional to 245,636.70, 368,649.45 and 95,948.70
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Solution
The fourth proportional to 245,636.70, 368,649.45 and 95,948.70 is: 143,998.99
Step by Step Solution
- Step 1: Write the proportion equation
245,636.70 : 368,649.45 = 95,948.70 : x - Step 2: Convert to fraction form
245,636.70/368,649.45 = 95,948.70/x - Step 3: Cross multiply
245,636.70x = 368,649.45 × 95,948.70 - Step 4: Simplify right side
245,636.70x = 35,371,435,483.22 - Step 5: Solve for x
x = 35,371,435,483.22/245,636.70 - Step 6: Final answer
x = 143,998.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.