Finding the Fourth Proportional to 249,622.16, 374,526.73 and 129,604.19
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Solution
The fourth proportional to 249,622.16, 374,526.73 and 129,604.19 is: 194,454.82
Step by Step Solution
- Step 1: Write the proportion equation
249,622.16 : 374,526.73 = 129,604.19 : x - Step 2: Convert to fraction form
249,622.16/374,526.73 = 129,604.19/x - Step 3: Cross multiply
249,622.16x = 374,526.73 × 129,604.19 - Step 4: Simplify right side
249,622.16x = 48,540,231,602.37 - Step 5: Solve for x
x = 48,540,231,602.37/249,622.16 - Step 6: Final answer
x = 194,454.82
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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.