Finding the Fourth Proportional to 249,521.20, 374,284.58 and 72,029.84
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Solution
The fourth proportional to 249,521.20, 374,284.58 and 72,029.84 is: 108,045.56
Step by Step Solution
- Step 1: Write the proportion equation
249,521.20 : 374,284.58 = 72,029.84 : x - Step 2: Convert to fraction form
249,521.20/374,284.58 = 72,029.84/x - Step 3: Cross multiply
249,521.20x = 374,284.58 × 72,029.84 - Step 4: Simplify right side
249,521.20x = 26,959,658,411.87 - Step 5: Solve for x
x = 26,959,658,411.87/249,521.20 - Step 6: Final answer
x = 108,045.56
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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.