Finding the Fourth Proportional to 135,109.60, 202,555.16 and 56,283.12
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Solution
The fourth proportional to 135,109.60, 202,555.16 and 56,283.12 is: 84,379.17
Step by Step Solution
- Step 1: Write the proportion equation
135,109.60 : 202,555.16 = 56,283.12 : x - Step 2: Convert to fraction form
135,109.60/202,555.16 = 56,283.12/x - Step 3: Cross multiply
135,109.60x = 202,555.16 × 56,283.12 - Step 4: Simplify right side
135,109.60x = 11,400,436,376.90 - Step 5: Solve for x
x = 11,400,436,376.90/135,109.60 - Step 6: Final answer
x = 84,379.17
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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.