Finding the Fourth Proportional to 245,430.70, 368,340.45 and 95,742.70
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Solution
The fourth proportional to 245,430.70, 368,340.45 and 95,742.70 is: 143,689.89
Step by Step Solution
- Step 1: Write the proportion equation
245,430.70 : 368,340.45 = 95,742.70 : x - Step 2: Convert to fraction form
245,430.70/368,340.45 = 95,742.70/x - Step 3: Cross multiply
245,430.70x = 368,340.45 × 95,742.70 - Step 4: Simplify right side
245,430.70x = 35,265,909,202.22 - Step 5: Solve for x
x = 35,265,909,202.22/245,430.70 - Step 6: Final answer
x = 143,689.89
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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.