Finding the Fourth Proportional to 249,950.22, 344,930.35 and 135,228.50
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Solution
The fourth proportional to 249,950.22, 344,930.35 and 135,228.50 is: 186,614.81
Step by Step Solution
- Step 1: Write the proportion equation
249,950.22 : 344,930.35 = 135,228.50 : x - Step 2: Convert to fraction form
249,950.22/344,930.35 = 135,228.50/x - Step 3: Cross multiply
249,950.22x = 344,930.35 × 135,228.50 - Step 4: Simplify right side
249,950.22x = 46,644,413,834.98 - Step 5: Solve for x
x = 46,644,413,834.98/249,950.22 - Step 6: Final answer
x = 186,614.81
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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.