Finding the Fourth Proportional to 445,495.49, 668,175.58 and 145,969.44
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Solution
The fourth proportional to 445,495.49, 668,175.58 and 145,969.44 is: 218,931.99
Step by Step Solution
- Step 1: Write the proportion equation
445,495.49 : 668,175.58 = 145,969.44 : x - Step 2: Convert to fraction form
445,495.49/668,175.58 = 145,969.44/x - Step 3: Cross multiply
445,495.49x = 668,175.58 × 145,969.44 - Step 4: Simplify right side
445,495.49x = 97,533,216,069.49 - Step 5: Solve for x
x = 97,533,216,069.49/445,495.49 - Step 6: Final answer
x = 218,931.99
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1.5x scale
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.