Finding the Fourth Proportional to 249,369.23, 344,129.01 and 136,191.98
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Solution
The fourth proportional to 249,369.23, 344,129.01 and 136,191.98 is: 187,944.64
Step by Step Solution
- Step 1: Write the proportion equation
249,369.23 : 344,129.01 = 136,191.98 : x - Step 2: Convert to fraction form
249,369.23/344,129.01 = 136,191.98/x - Step 3: Cross multiply
249,369.23x = 344,129.01 × 136,191.98 - Step 4: Simplify right side
249,369.23x = 46,867,611,596.94 - Step 5: Solve for x
x = 46,867,611,596.94/249,369.23 - Step 6: Final answer
x = 187,944.64
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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.