Finding the Fourth Proportional to 260,366.58, 390,045.50 and 147,706.02
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Solution
The fourth proportional to 260,366.58, 390,045.50 and 147,706.02 is: 221,272.90
Step by Step Solution
- Step 1: Write the proportion equation
260,366.58 : 390,045.50 = 147,706.02 : x - Step 2: Convert to fraction form
260,366.58/390,045.50 = 147,706.02/x - Step 3: Cross multiply
260,366.58x = 390,045.50 × 147,706.02 - Step 4: Simplify right side
260,366.58x = 57,612,067,685.38 - Step 5: Solve for x
x = 57,612,067,685.38/260,366.58 - Step 6: Final answer
x = 221,272.90
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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.