Finding the Fourth Proportional to 234,488.70, 351,808.38 and 76,681.26
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Solution
The fourth proportional to 234,488.70, 351,808.38 and 76,681.26 is: 115,046.52
Step by Step Solution
- Step 1: Write the proportion equation
234,488.70 : 351,808.38 = 76,681.26 : x - Step 2: Convert to fraction form
234,488.70/351,808.38 = 76,681.26/x - Step 3: Cross multiply
234,488.70x = 351,808.38 × 76,681.26 - Step 4: Simplify right side
234,488.70x = 26,977,109,856.96 - Step 5: Solve for x
x = 26,977,109,856.96/234,488.70 - Step 6: Final answer
x = 115,046.52
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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.