Finding the Fourth Proportional to 438,619.02, 657,928.53 and 106,195.02
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Solution
The fourth proportional to 438,619.02, 657,928.53 and 106,195.02 is: 159,292.53
Step by Step Solution
- Step 1: Write the proportion equation
438,619.02 : 657,928.53 = 106,195.02 : x - Step 2: Convert to fraction form
438,619.02/657,928.53 = 106,195.02/x - Step 3: Cross multiply
438,619.02x = 657,928.53 × 106,195.02 - Step 4: Simplify right side
438,619.02x = 69,868,733,401.92 - Step 5: Solve for x
x = 69,868,733,401.92/438,619.02 - Step 6: Final answer
x = 159,292.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.