Finding the Fourth Proportional to 342,991.03, 514,486.55 and 143,202.66
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Solution
The fourth proportional to 342,991.03, 514,486.55 and 143,202.66 is: 214,803.99
Step by Step Solution
- Step 1: Write the proportion equation
342,991.03 : 514,486.55 = 143,202.66 : x - Step 2: Convert to fraction form
342,991.03/514,486.55 = 143,202.66/x - Step 3: Cross multiply
342,991.03x = 514,486.55 × 143,202.66 - Step 4: Simplify right side
342,991.03x = 73,675,842,494.22 - Step 5: Solve for x
x = 73,675,842,494.22/342,991.03 - Step 6: Final answer
x = 214,803.99
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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.