Finding the Fourth Proportional to 249,408.92, 374,113.38 and 91,569.08
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Solution
The fourth proportional to 249,408.92, 374,113.38 and 91,569.08 is: 137,353.62
Step by Step Solution
- Step 1: Write the proportion equation
249,408.92 : 374,113.38 = 91,569.08 : x - Step 2: Convert to fraction form
249,408.92/374,113.38 = 91,569.08/x - Step 3: Cross multiply
249,408.92x = 374,113.38 × 91,569.08 - Step 4: Simplify right side
249,408.92x = 34,257,218,022.29 - Step 5: Solve for x
x = 34,257,218,022.29/249,408.92 - Step 6: Final answer
x = 137,353.62
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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.