Finding the Fourth Proportional to 537,848.10, 806,772.69 and 138,489.75
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Solution
The fourth proportional to 537,848.10, 806,772.69 and 138,489.75 is: 207,734.76
Step by Step Solution
- Step 1: Write the proportion equation
537,848.10 : 806,772.69 = 138,489.75 : x - Step 2: Convert to fraction form
537,848.10/806,772.69 = 138,489.75/x - Step 3: Cross multiply
537,848.10x = 806,772.69 × 138,489.75 - Step 4: Simplify right side
537,848.10x = 111,729,748,144.93 - Step 5: Solve for x
x = 111,729,748,144.93/537,848.10 - Step 6: Final answer
x = 207,734.76
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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.