Finding the Fourth Proportional to 359,487.74, 539,314.68 and 106,762.70
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Solution
The fourth proportional to 359,487.74, 539,314.68 and 106,762.70 is: 160,168.72
Step by Step Solution
- Step 1: Write the proportion equation
359,487.74 : 539,314.68 = 106,762.70 : x - Step 2: Convert to fraction form
359,487.74/539,314.68 = 106,762.70/x - Step 3: Cross multiply
359,487.74x = 539,314.68 × 106,762.70 - Step 4: Simplify right side
359,487.74x = 57,578,691,386.44 - Step 5: Solve for x
x = 57,578,691,386.44/359,487.74 - Step 6: Final answer
x = 160,168.72
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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.