Finding the Fourth Proportional to 249,950.80, 374,925.93 and 81,471.07
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Solution
The fourth proportional to 249,950.80, 374,925.93 and 81,471.07 is: 122,206.52
Step by Step Solution
- Step 1: Write the proportion equation
249,950.80 : 374,925.93 = 81,471.07 : x - Step 2: Convert to fraction form
249,950.80/374,925.93 = 81,471.07/x - Step 3: Cross multiply
249,950.80x = 374,925.93 × 81,471.07 - Step 4: Simplify right side
249,950.80x = 30,545,616,687.85 - Step 5: Solve for x
x = 30,545,616,687.85/249,950.80 - Step 6: Final answer
x = 122,206.52
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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.