Finding the Fourth Proportional to 282,041.60, 423,055.44 and 68,810.99
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Solution
The fourth proportional to 282,041.60, 423,055.44 and 68,810.99 is: 103,214.78
Step by Step Solution
- Step 1: Write the proportion equation
282,041.60 : 423,055.44 = 68,810.99 : x - Step 2: Convert to fraction form
282,041.60/423,055.44 = 68,810.99/x - Step 3: Cross multiply
282,041.60x = 423,055.44 × 68,810.99 - Step 4: Simplify right side
282,041.60x = 29,110,861,536.01 - Step 5: Solve for x
x = 29,110,861,536.01/282,041.60 - Step 6: Final answer
x = 103,214.78
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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.