Finding the Fourth Proportional to 368,352.70, 552,529.05 and 131,703.10
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Solution
The fourth proportional to 368,352.70, 552,529.05 and 131,703.10 is: 197,554.65
Step by Step Solution
- Step 1: Write the proportion equation
368,352.70 : 552,529.05 = 131,703.10 : x - Step 2: Convert to fraction form
368,352.70/552,529.05 = 131,703.10/x - Step 3: Cross multiply
368,352.70x = 552,529.05 × 131,703.10 - Step 4: Simplify right side
368,352.70x = 72,769,788,725.06 - Step 5: Solve for x
x = 72,769,788,725.06/368,352.70 - Step 6: Final answer
x = 197,554.65
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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.