Finding the Fourth Proportional to 135,690.10, 203,498.70 and 46,970.80
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Solution
The fourth proportional to 135,690.10, 203,498.70 and 46,970.80 is: 70,443.58
Step by Step Solution
- Step 1: Write the proportion equation
135,690.10 : 203,498.70 = 46,970.80 : x - Step 2: Convert to fraction form
135,690.10/203,498.70 = 46,970.80/x - Step 3: Cross multiply
135,690.10x = 203,498.70 × 46,970.80 - Step 4: Simplify right side
135,690.10x = 9,558,496,737.96 - Step 5: Solve for x
x = 9,558,496,737.96/135,690.10 - Step 6: Final answer
x = 70,443.58
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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.