Finding the Fourth Proportional to 340,312.76, 510,450.50 and 103,635.62
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Solution
The fourth proportional to 340,312.76, 510,450.50 and 103,635.62 is: 155,447.75
Step by Step Solution
- Step 1: Write the proportion equation
340,312.76 : 510,450.50 = 103,635.62 : x - Step 2: Convert to fraction form
340,312.76/510,450.50 = 103,635.62/x - Step 3: Cross multiply
340,312.76x = 510,450.50 × 103,635.62 - Step 4: Simplify right side
340,312.76x = 52,900,854,046.81 - Step 5: Solve for x
x = 52,900,854,046.81/340,312.76 - Step 6: Final answer
x = 155,447.75
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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.