Finding the Fourth Proportional to 135,587.19, 203,315.16 and 46,809.57
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Solution
The fourth proportional to 135,587.19, 203,315.16 and 46,809.57 is: 70,191.70
Step by Step Solution
- Step 1: Write the proportion equation
135,587.19 : 203,315.16 = 46,809.57 : x - Step 2: Convert to fraction form
135,587.19/203,315.16 = 46,809.57/x - Step 3: Cross multiply
135,587.19x = 203,315.16 × 46,809.57 - Step 4: Simplify right side
135,587.19x = 9,517,095,214.08 - Step 5: Solve for x
x = 9,517,095,214.08/135,587.19 - Step 6: Final answer
x = 70,191.70
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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.