Finding the Fourth Proportional to 249,939.04, 374,915.82 and 98,129.84
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Solution
The fourth proportional to 249,939.04, 374,915.82 and 98,129.84 is: 147,197.61
Step by Step Solution
- Step 1: Write the proportion equation
249,939.04 : 374,915.82 = 98,129.84 : x - Step 2: Convert to fraction form
249,939.04/374,915.82 = 98,129.84/x - Step 3: Cross multiply
249,939.04x = 374,915.82 × 98,129.84 - Step 4: Simplify right side
249,939.04x = 36,790,429,430.07 - Step 5: Solve for x
x = 36,790,429,430.07/249,939.04 - Step 6: Final answer
x = 147,197.61
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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.