Finding the Fourth Proportional to 351,246.14, 526,869.23 and 85,006.70
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Solution
The fourth proportional to 351,246.14, 526,869.23 and 85,006.70 is: 127,510.05
Step by Step Solution
- Step 1: Write the proportion equation
351,246.14 : 526,869.23 = 85,006.70 : x - Step 2: Convert to fraction form
351,246.14/526,869.23 = 85,006.70/x - Step 3: Cross multiply
351,246.14x = 526,869.23 × 85,006.70 - Step 4: Simplify right side
351,246.14x = 44,787,411,514.46 - Step 5: Solve for x
x = 44,787,411,514.46/351,246.14 - Step 6: Final answer
x = 127,510.05
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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.